EP2751622B1 - Piece d'horlogerie capable d'afficher deux fuseaux horaires - Google Patents

Piece d'horlogerie capable d'afficher deux fuseaux horaires Download PDF

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Publication number
EP2751622B1
EP2751622B1 EP12756155.3A EP12756155A EP2751622B1 EP 2751622 B1 EP2751622 B1 EP 2751622B1 EP 12756155 A EP12756155 A EP 12756155A EP 2751622 B1 EP2751622 B1 EP 2751622B1
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EP
European Patent Office
Prior art keywords
time
lever
time zone
setting
display member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12756155.3A
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German (de)
English (en)
French (fr)
Other versions
EP2751622A1 (fr
Inventor
Julien Cattaneo
Marco La China
Denis Rudaz
Martin BREUILH
Frédéric JOLLIET
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolex SA
Original Assignee
Rolex SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolex SA filed Critical Rolex SA
Priority to EP12756155.3A priority Critical patent/EP2751622B1/fr
Publication of EP2751622A1 publication Critical patent/EP2751622A1/fr
Application granted granted Critical
Publication of EP2751622B1 publication Critical patent/EP2751622B1/fr
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/223—Arrangements for indicating different local apparent times; Universal time pieces with rotary disc, rotary bezel, or rotary dial
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B19/00—Indicating the time by visual means
    • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
    • G04B19/221—Arrangements for indicating different local apparent times; Universal time pieces mechanisms for correcting the hours hand only, i.e. independently for minutes and seconds hands
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B27/00—Mechanical devices for setting the time indicating means
    • G04B27/02—Mechanical devices for setting the time indicating means by making use of the winding means
    • G04B27/023—Mechanical devices for setting the time indicating means by making use of the winding means changing of the winding position to the setting position and vice versa is done with an independant part of the winding or setting mechanism

Definitions

  • the invention relates to a time display device, in particular a timepiece, in particular a wristwatch, or a timepiece movement comprising a mechanism allowing the time display member to switch. between two time zones.
  • the European patent application published under no. EP 2 008 159 describes a wristwatch provided with a switching mechanism capable of selectively indicating the time of one or the other of two time zones by a single display member.
  • the single hour hand selectively displays either local time or the time of the second time zone, under the actuation of a push button.
  • the switching mechanism consists of a heart and two levers. The difference between local time and the time of the second time zone is determined by the relative position of one lever in relation to the other.
  • the switching mechanism described in the aforementioned document has the particular drawback of including display selection and adjustment mechanisms which are very complex and involve two differentials and a very large number of components.
  • the adjustment of each of the time zones is effected by means of separate correction chains, independent of the switching mechanism. It follows that it is possible to modify a time zone while the other time zone is displayed.
  • the European patent application published under no. EP 2362277 also describes a timepiece whose mechanism, under the actuation of a push button, is able to selectively indicate the time of one or the other of two time zones by the same hour hand.
  • the device implements a bistable hammer, as well as two core memory mobiles, each dedicated to a specific time zone, which are kinematically linked within a single gear chain which is engaged with an input of a differential.
  • the time difference between the two time zones is determined by the relative position of the two hearts which is driven by the bistable hammer.
  • Each of the memory mobiles also comprises the means for adjusting the time zone which is displayed by the timepiece.
  • the display switching and adjustment mechanisms described in the aforementioned document have the particular drawback of being separate from the hour and minute adjustment mechanism of the timepiece. As a result, this device can in no case be sufficient on its own and must be associated with a second mechanism so as to carry out all the settings of the timepiece.
  • this situation requires the presence of an additional adjustment member in addition to the member for adjusting the time zones, and therefore has an impact on the trim of the timepiece.
  • the major object of the invention is to provide a time display device, in particular a timepiece, such as a wristwatch, which is able to selectively display two time zones by means of a clock mechanism. simple switching and consisting of a limited number of components.
  • Another object of the invention is to provide a device for displaying the time of simple, reliable and robust construction which allows easy correction of one. and on the other, the time indications of the two time zones.
  • the display device is defined by claim 1.
  • a first lever and a second lever may each have an overall elongated shape.
  • the first lever may have an overall elongate shape and the second lever may have a spring portion.
  • the second lever can be constantly pressed against a first heart.
  • a winding pinion may be mounted on a control rod and may be integral in rotation with the latter.
  • control rod may comprise a sliding pinion provided with an edge toothing and a front toothing.
  • a display member cooperates with a control member so as to be visible only when one of the two time zones is displayed.
  • a mask can be attached to the first lever or can cooperate with the latter.
  • the first and the second levers each generally have an elongated shape.
  • the first lever has an overall elongated shape and the second lever has a part forming a spring.
  • a notable aim of the invention is also to provide a time display device capable of adjusting or correcting only a time zone when it is displayed.
  • This object is achieved by providing in the time display device defined above a control rod which can occupy at least two positions, for example, a winding position and a time setting position, this control rod , in one of these positions, cooperating with the control unit in order to adjust the time selected by the latter and displayed by the display unit A1, A2. To avoid any risk of confusion in setting the time, actuation of the control unit is not possible when the control rod is in the time setting position.
  • the time display device comprises a first chain for adjusting the first time zone and a second chain for adjusting the second time zone.
  • the time display device comprises means for selecting the adjustment gear chain corresponding to the time zone selected and displayed by the display unit A1, A2 and by which the time setting is to be made. More particularly, one or the other of the two adjusting gear chains corresponding to the selected time zone may in particular include the means for adjusting the minute indication.
  • the setting of one or the other of the two time zones induces by the same operation the full time setting of the time display device.
  • This document also describes another time display device, in particular a timepiece or a timepiece movement, comprising a time display member, in particular a display member by means of 'movable elements, as well as a switching mechanism allowing the time display member to switch between two time zones, the device being distinguished by which further comprises a display member, in particular in terms of number of hours, of the difference between the two time zones.
  • the display member cooperates with a control member so as to be visible only when one of the two time zones is displayed.
  • the device comprises a dial provided with a window and a mask provided between the display member and a dial of the time display device, to mask or not, depending on the position of the lever, the part of the display unit located opposite the window.
  • This mask can optionally be attached to the first lever or cooperate with the latter, in particular by means of an appropriate gear.
  • a first embodiment of the display device 300 according to the invention is shown in the figures 1 , 2 and 3 .
  • the display device is part of a timepiece 300, in particular a wristwatch or is such a timepiece 300.
  • the display device is also part of a timepiece movement 200 or is such a timepiece movement. , the watch movement itself forming part of the timepiece 300.
  • the display device comprises a switching mechanism 100 comprising two cores 3 and 4, the angular offset of which defines the time difference between the two time zones.
  • the heart 3 is designed to cooperate with a first end 1a of a first lever 1 and the heart 4 with the first end 2a of a second lever 2.
  • These first and second levers 1, 2 are generally elongated in shape and they are integral with one another, in particular fixed one on the other.
  • the first lever 1 is mounted on the second lever 2, the latter pivoting at a second end 2b on an axis 39 fixed to the frame of the movement.
  • a second end 1b located on an arm of the lever 1 is positioned, under the constraint of a spring 6, by a two-position selection member 5, in this case a column wheel 5.
  • the second end 1b located on the arm of lever 1 is positioned or biased, under the stress of a spring 6, in one of the hollows 5a of the column wheel 5, the binary profile of which is formed by an alternation of hollows 5a and columns 5b.
  • the end 2a of the second lever 2 rests on the flat of the heart 4 and the hour hand A1 of the display member displays the time of the first time zone.
  • this column wheel 5 has teeth 11 located in a plane perpendicular to the longitudinal axes of the columns 5b and which is angularly indexed by a jumper 12.
  • the column wheel 5 is designed to be actuated and driven unidirectionally by an angular step by the push-button P by means of a lever 36 having a hook-shaped end 13. It is of course entirely conceivable to drive this binary selection member 5 bidirectionally in two angular positions by means of a suitable control device.
  • Such a solution makes it possible to implement, for example, a column wheel 5 provided with a single and unique column.
  • Such a solution also makes it possible to replace the columns by a set of teeth which is kinematically linked to a set of teeth integral with the lever 1, that is to say a set of teeth whose teeth determine, by contact with the lever 1, the position of the lever 1. . It is also of course quite possible to reverse the mounting of levers 1 and 2, to pivot lever 1 around axis 39, and to bring the arm cooperating with the column wheel to lever 2.
  • Cores 3 and 4 are coaxial and mobile in rotation independently of one another.
  • the heart 4 is integral with the wheel 7, in particular fixed on the wheel 7, while the heart 3 is integral with the star 8, in particular fixed on the star 8.
  • the latter is engaged with the wheel 7 by the intermediate of a jumper 9 pivoted at 10 on the plate of the wheel 7.
  • the watch movement provides the time indication by means of a roadway 27 and a traditional timer mobile comprising a wheel 28 secured to a pinion 32.
  • the hour hand A1 is mounted integrally on the axis of the clock. output wheel 29 of a differential 29,30,33,34, so that it can take two angular positions under the action of the wheel 7 meshing with a toothing 30b of the input wheel of the differential 30 .
  • the differential 29,30,33,34 is a spherical differential of known type.
  • hand A1 indicates the time by means of the timer pinion 32 which meshes with the planet wheel 33.
  • This wheel 33 is transmitted to the output wheel 29 of the differential by means of planet wheels 34 which are engaged, on the one hand, with the front teeth 29a of the wheel 29 and, on the other hand, with a front toothing 30a provided on the input wheel 30 of the differential.
  • one of the features of the invention is that the time display device makes it possible to selectively correct only the time zone which is displayed by means of a dedicated gear chain, which constitutes a significant advantage over the mechanisms of the state of the art.
  • the control rod T of the device can occupy a winding position I and a position II for setting the time of one or the other of the time zones.
  • the watch is wound up by means of a winding pinion (not visible on the fig. 6 ) whose ratchet toothing is engaged with the ratchet toothing 14a of a sliding pinion 14 which is mounted squarely on the rod T and which is further provided with a front toothing 14b opposite to the ratchet toothing 14a.
  • This rod-sliding pinion-winding pinion device is well known.
  • the configuration shown corresponds to position II or correction position or adjustment of the first time zone.
  • the passage from position I to position II is effected by pulling on the control rod T.
  • a first pull-tab 15 is rotated by a first end 15a.
  • This first zipper 15 is pivoted in the plate of the timepiece, at the level of the pivot 15c.
  • a first end 16a of a second pull 16 is mounted on the first pull-tab 15 to rotate freely.
  • the positions of the rod T are defined by the notching produced by the jumper 17 cooperating in a known manner with the first pull tab 15 at its second end 15b.
  • the second pull tab 16 has a second end 16b which cooperates with a first latch 18 by means of a pin 19 provided to move in a V-shaped slot 20 of latch 18, which slot 20 thus forms a cam path.
  • a second rocker 21 is mounted to rotate freely by a first end 21a under a first end 18a of the first rocker 18.
  • a second end 18b of the first lever 18 carries a return wheel 23 adapted to cooperate with the front teeth 14b of the sliding pinion 14 and an intermediate wheel 35.
  • a second end 21b of the second lever 21 is disposed in a groove 22 formed in the sliding pinion 14, between its two teeth 14a and 14b.
  • the second zipper 16 drives the second lever 21 so as to press the ratchet teeth 14a of the sliding pinion 14 against the winding pinion (not shown in the figure).
  • the second zipper 16 can take two angular positions under the effect of a return spring 24 and a feeler 25, a first end 25a of which is rotatably mounted on the second zipper 16 by means of the axis 19 and a second end 25b cooperates with the two-position selection member 5, in this case the column wheel 5 by means of a pin 26.
  • the probe 25 comprises between its first 25a and second 25b ends, an oblong hole 37 allowing it to be guided by a pin 38 fixed to the plate of the timepiece.
  • Each of the two aforementioned angular positions corresponds to a time zone, and to the adjustment of this time zone by means of a dedicated gear chain.
  • the angular position of the second zipper 16 which allows the mechanism to correct the first time zone is visible on the figure 1 .
  • the arrangement of the feeler 25, the column wheel 5 and the rocker 18 is provided so that, when the pin 26 is in one of the hollows 5a of the column wheel 5, the second pull tab 16 places the pin 19 at a second end of the slot 20 and thus positions the rockers 18 and 21 so that the chain for adjusting or correcting the first time zone is engaged.
  • This chain passes through the return 23, the intermediate wheel 35 and the timing wheel 28, 32 which is kinematically linked to the planet wheel 33 of the differential.
  • a rotation of the rod T causes a trailing time setting of the hour hand A1 as well as that of the minutes A2.
  • the lever 1 is arranged such that its end 1b is located in a hollow 5a of the wheel 5 different from that where the pin 26 is located.
  • the end 2a of the lever 2 then presses on the heart 4 which corresponds to the display of the first time zone.
  • a rotation of the control rod T induces the rotation of the wheel 7 relative to the star 8, which is maintained in its position, and generates the rapid correction of the hour hand A1 in steps of one hour .
  • the notching is defined by the angular pitch of the star 8 and the elasticity of the jumper 9. Due to the differential 29,30,33,34, the wheel 33 and the minute hand A2 remain stationary.
  • the lever 1 is arranged such that its end 1b rests against one of the columns 5b of the column wheel 5 which is different from that against which the pin 26 rests.
  • the end of the lever 1 then presses on the heart 3 which corresponds to the display of the second time zone.
  • the switching mechanism and that of correcting or adjusting the time zone are always in phase and there is no risk of modifying the time of a zone when it is not indicated by the needle A1.
  • the chain for correcting or adjusting one or the other of the two time zones can advantageously be kinematically linked to the timer mobile 28, 32.
  • a rotation of the rod T causes a lagging time setting. of the A1 hour hand as well as the A2 minute hand, and in fact allows the adjustment of one or the other of the two time zones.
  • the system according to the invention allows, in a single operation, the selection of the display of one of the two time zones and the selection of the mechanism capable of correcting the displayed zone. Moreover, this system does not require any additional mechanism provided for setting the hour and minutes of the time display device, and does not require any additional adjustment device.
  • this cooperation of the switching mechanism with the correction mechanism has the advantage of simplifying the design and reducing the number of parts compared to the mechanisms known from the state of the art which only allow the switching of the display, or the correction of one or the other of the two time zones independently of the hour and minute setting mechanism.
  • the first lever 1 still has an overall elongated shape, but the second lever 42 has a part forming a return spring 42b.
  • first lever 1 and the second lever 42 are fixed on different axes.
  • the first lever 1 is mounted to pivot on an axis 49, while the second lever 42 is mounted to pivot on an axis 43 fixed on the wheel 7 and comprises a part forming a return spring 42b which is preloaded by a pin 47.
  • the end 42a of the second lever 42 is constantly resting against the heart 4. It is of course quite conceivable to reduce the lever 42 to its end 42a and to its pivot axis and to make it cooperate with a spring.
  • the heart 4 is integral with a wheel 44 located under the wheel 7 and meshing with a return wheel 45 integral with the star 8, the latter being angularly indexed by the jumper 58 fixed to the frame of the movement.
  • the second end 1b located on a foot of the first lever 1 is positioned by a two-position selection member 5, in this case a column wheel 5.
  • a two-position selection member 5 in this case a column wheel 5.
  • the second end 1b is positioned in one of the hollows 5b of the profile of the column wheel 5, under the stress of the spring 46 and due to the pivoting of the lever 1 around the axis 49.
  • Pressing the push button P induces the rotation of an angular pitch of the column wheel 5, which has the consequence of pushing the end 1b of the lever 1 back onto a column 5b of the profile of the column wheel 5, d 'thus remove the end 1a of this lever 1 from the core 3 and thereby cancel its action on this core 3.
  • the first lever 1 has the specific feature of controlling, in addition to switching the time display, the correction mechanism which is associated with the displayed time zone, role that was fulfilled in the embodiment of the figure 1 mainly by the probe 25.
  • control rod T comprises a sliding pinion 14 with opposing teeth 14a, 14b such as that designated by the number 14 in the embodiment shown in the figures. figures 1 to 6 , it is possible to use instead of this sliding pinion 14 a winding pinion integral in rotation with the control rod T independently of the sliding pinion and a sliding pinion having an edge toothing and a front toothing.
  • FIG. 7 On figures 7 to 14 is visible a winding pinion 51 which is mounted square on the stem T.
  • the sliding pinion 52 comprises an edge toothing 52a and a front toothing 52b (this is clearly visible on the figures 7 and 9 ).
  • Winding the watch when the stem is in position I ( figures 9 and 10 ), is provided by means of the winding pinion 51 which is kinematically linked to the winding chain by means of its front teeth 51a.
  • the sliding pinion 52 is arranged so as not to engage any gear, either through its edge teeth 52a, or through its front teeth 52b.
  • the winding mechanism is then disengaged by means of a clutch which is perpendicular to the longitudinal axis of the control rod (T).
  • a clutch which is perpendicular to the longitudinal axis of the control rod (T).
  • a rocker 53 carries a cam 54 pivotally mounted on a pin 55 fixed to this rocker.
  • This cam 54 is held in position under the stress of a spring 56.
  • the latter cooperates with a pin 57 fixed to the cam 54 so as to press the surface 54a of the cam 54 against a flank 53a of the lever 53.
  • One end 50a of the pull tab 50 comes into contact with a second end 54b of the cam 54.
  • rocker 53 and the cam 54 pivot around the axis 53 'on which the rocker 53 is mounted.
  • This correction chain passes through the timer mobile 28, 32 which is kinematically linked to the planet wheel 33 of the differential.
  • a rotation of the rod T causes a trailing time setting of the hour hand A1 as well as that of the minutes A2.
  • the first lever 1 the end of which 1b bears against one of the columns 5b, comprises an arm 1c.
  • This correction chain passes through the wheel 44, which is integral in rotation with the star 8 and the wheel 7 through the heart 4 and the lever 42.
  • a rotation of the control rod T generates the adjustment of the second time zone by means of the rapid correction of the A1 hour hand in one hour steps.
  • the notching is defined by the angular pitch of the star 8 and the elasticity of a jumper 58 cooperating therewith.
  • the axial position of the sliding pinion 52 differs depending on whether the push-button P selects the first or the second time zone, so that the sliding pinion 52 can drive, respectively, the wheel 35 of the cog chain correction of the first time zone, by means of its front toothing 52b, or the return wheel 59 of the chain for correcting or adjusting the second time zone, by means of its edge teeth 52a.
  • the essential difference compared to the first variant is that the time display device has only one heart 3.
  • the sides of the first and second levers 1, 42 cooperate with the profile of the single core 3.
  • this core 3 can be provided with a thickness greater than that of the core 3 of the other variants.
  • the shape of lever 1 may have been modified.
  • an additional reduction gear train is provided intended to cooperate with the toothing 29b of the output wheel 29 of the differential (cf. figure 5 ).
  • This cog train is designed to indicate the time in the time zone selected over a 24-hour cycle by means of an additional A3 hand.
  • star 8 which we have seen in the previous variants that it memorizes the time difference between the two time zones, is integral with a wheel meshing with a disk D.
  • the first time zone can then be defined as being the reference time zone and the second time zone as being that of a place in which the wearer of the watch is required to stay and which is adjusted relative to the first reference time zone.
  • the time difference display disk D is kinematically linked to the fast correction star of the second time zone 8 by means of the additional wheel 45 '.
  • the disc D is graduated over an amplitude of 24 hours and the notching of the two indicator members A1 and D is only defined by the angular pitch of the star 8 which cooperates with the return spring 58.
  • the time difference indication is visible through a window G which is located at 3 o'clock on the dial ( fig. 18 ).
  • the disk D is not covered by a mask M.
  • This mask M can be attached to the lever 1 or cooperate with the latter, in particular by means of an appropriate gear train.
  • This lever 1 has a perfectly defined angular position for each of the two time zones due to the cooperation of the end 1b of the lever 1 and of the profile 5a, 5b of the column wheel 5.
  • the mask M is arranged so not to cover the indication of the disc D appearing within the window G when the end 1b of the lever 1 is positioned against one of the columns of the profile 5b of the column wheel 5 ( fig. 14 ), configuration which corresponds to the selection of the display of the second time zone.
  • the time difference indicating disk D which is displayed intermittently, has an operation similar to that of a disk displaying the time difference permanently.
  • the watch shown on figure 20 indicates that it is 07:50 in the reference time zone UTC 0, in London for example.
  • Pressing push-button P displays the time of the place in which the wearer is staying while revealing the number of hours separating this second zone from the reference time zone.
  • the watch On the figure 21 , the watch then indicates that it is 11:50 in Dubai (UTC + 4).
  • a selection body with two positions An example of such a member is a column wheel. It is clear that such a member can occupy more than two positions, in particular 12 distinct positions for a 6 column wheel, a first set of 6 positions such that the first lever is in a first given position and a second set of 6. positions such that the first lever is in a second given position. It is clear that “two-position selection member” covers any selection member capable of positioning the first lever in at least two distinct positions, in particular at least two distinct stable positions.
  • the device according to the invention makes it possible to select the mechanism for correcting the displayed time zone, in particular the gear chain for adjusting or correcting the displayed time zone, by means of the same switching mechanism.
  • the mechanism for adjusting or correcting one or the other of the two time zones may in particular be a mechanism for adjusting the hour which is associated with that of the minutes.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP12756155.3A 2011-09-01 2012-08-30 Piece d'horlogerie capable d'afficher deux fuseaux horaires Active EP2751622B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12756155.3A EP2751622B1 (fr) 2011-09-01 2012-08-30 Piece d'horlogerie capable d'afficher deux fuseaux horaires

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11405310 2011-09-01
EP12756155.3A EP2751622B1 (fr) 2011-09-01 2012-08-30 Piece d'horlogerie capable d'afficher deux fuseaux horaires
PCT/EP2012/066850 WO2013030268A1 (fr) 2011-09-01 2012-08-30 Piece d'horlogerie capable d'afficher deux fuseaux horaires

Publications (2)

Publication Number Publication Date
EP2751622A1 EP2751622A1 (fr) 2014-07-09
EP2751622B1 true EP2751622B1 (fr) 2020-09-09

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EP12756155.3A Active EP2751622B1 (fr) 2011-09-01 2012-08-30 Piece d'horlogerie capable d'afficher deux fuseaux horaires

Country Status (5)

Country Link
US (1) US9405274B2 (ja)
EP (1) EP2751622B1 (ja)
JP (1) JP6166724B2 (ja)
CN (1) CN103842916B (ja)
WO (1) WO2013030268A1 (ja)

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JP6881186B2 (ja) 2017-09-25 2021-06-02 セイコーエプソン株式会社 時計用ムーブメントおよび時計
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EP3547045B1 (fr) * 2018-03-26 2022-05-04 Montres Breguet S.A. Mécanisme de transmission d'horlogerie à effort d'embrayage réduit
EP3584642B1 (fr) 2018-06-18 2021-01-13 Montres Breguet S.A. Mecanisme de reglage pour mecanisme d'affichage d'horlogerie a rouleau
EP3599520B1 (fr) * 2018-07-26 2021-05-05 ETA SA Manufacture Horlogère Suisse Procede de permutation du mode d'affichage horaire d'une montre electronique a affichage analogique, et montre associee
EP3839657A1 (fr) * 2019-12-16 2021-06-23 Montres Breguet S.A. Mecanisme d'affichage d'horlogerie a la demande
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US20140321247A1 (en) 2014-10-30
CN103842916B (zh) 2017-06-16
JP6166724B2 (ja) 2017-07-19
CN103842916A (zh) 2014-06-04
JP2014525574A (ja) 2014-09-29
WO2013030268A1 (fr) 2013-03-07
US9405274B2 (en) 2016-08-02
EP2751622A1 (fr) 2014-07-09

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