EP1536300B1 - Kalendermechanismus für eine Uhr mit zwei übereinliegenden Ringen - Google Patents

Kalendermechanismus für eine Uhr mit zwei übereinliegenden Ringen Download PDF

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Publication number
EP1536300B1
EP1536300B1 EP03027147A EP03027147A EP1536300B1 EP 1536300 B1 EP1536300 B1 EP 1536300B1 EP 03027147 A EP03027147 A EP 03027147A EP 03027147 A EP03027147 A EP 03027147A EP 1536300 B1 EP1536300 B1 EP 1536300B1
Authority
EP
European Patent Office
Prior art keywords
ring
date
teeth
rings
markings
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.)
Expired - Lifetime
Application number
EP03027147A
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English (en)
French (fr)
Other versions
EP1536300A1 (de
Inventor
Roger Willemin
Roger Metzger
Marco Bettelini
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.)
ETA Manufacture Horlogere Suisse SA
Original Assignee
ETA Manufacture Horlogere Suisse 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 ETA Manufacture Horlogere Suisse SA filed Critical ETA Manufacture Horlogere Suisse SA
Priority to EP03027147A priority Critical patent/EP1536300B1/de
Priority to SG200407199A priority patent/SG112095A1/en
Priority to TW093135280A priority patent/TW200519554A/zh
Priority to KR1020040093756A priority patent/KR101093184B1/ko
Priority to US10/991,489 priority patent/US6934221B2/en
Priority to CN2004100917318A priority patent/CN1621974B/zh
Priority to JP2004341920A priority patent/JP4537183B2/ja
Publication of EP1536300A1 publication Critical patent/EP1536300A1/de
Priority to HK05109891.6A priority patent/HK1077884A1/xx
Application granted granted Critical
Publication of EP1536300B1 publication Critical patent/EP1536300B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/25—Devices for setting the date indicators manually
    • 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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25306—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches
    • 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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
    • G04B19/25366—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement manually corrected at the end of months having less than 31 days

Definitions

  • the present invention relates to a date mechanism with a large date comprising two superposed calendar rings, respectively upper and lower, one of which carries fifteen successive markings of a cycle of 31 positions, while the other carries the other sixteen markings.
  • Counter metering and cyclic display devices used in calendar timepieces for displaying the date are already known.
  • the analog display of the date is conventionally made using a date ring which comprises 31 sectors bearing the markings from 1 to 31.
  • a date ring which comprises 31 sectors bearing the markings from 1 to 31.
  • such a device has the disadvantage of not offering, for each sector, a field whose size corresponds to a 31 th of the circumference of the ring.
  • the dimensions of this field are insufficient to allow an easily readable date display.
  • the need for a device to display a "large date" on a field much wider than a 31 th circumference has been felt.
  • the Brandi patent teaches a date mechanism mainly comprising a date ring greater than sixteen sectors, superimposed on a lower ring having seventeen sectors.
  • the upper ring covers fifteen of its sectors markings "17" to "31” while the last sector is equipped with a window.
  • the lower ring has on sixteen of its sectors the markings "1" to "16", while the last sector is free of marking.
  • the inner circumference of the two rings has teeth, a location for the upper ring, and a location for the lower ring being toothless.
  • a date training finger typically making a turn every twenty-four hours, drives the calendar rings in a conventional manner, by action on their teeth.
  • the position of the driving finger relative to the teeth of the rings is such that when a ring has its free position (aperture for the upper ring and unmarked sector for the lower ring), at the display location of the shows, the drive finger is in front of the tooth-free position of the concerned ring.
  • the Brandi patent provides a date mechanism for a timepiece which advantageously makes it possible to give the date indication a large format, substantially twice that of a conventional date mechanism.
  • two jumper locking devices act respectively on the teeth of the upper ring and on the teeth of the lower ring.
  • these jumpers must be double top and support the tips of three successive teeth.
  • These jumpers must be large and therefore bulky.
  • the mechanical characteristics of the retention exerted by the jumpers on the two date rings are different depending on whether the missing tooth is in first, second or third position vis-à-vis said jumpers. We must therefore find a compromise that ensures that, whatever the position of the missing tooth, the jumper ensures a satisfactory positioning of the ring concerned. Such jumpers are therefore difficult to develop.
  • the object of the present invention is to overcome the aforementioned drawbacks as well as others by providing a date mechanism making it possible to give the date indication a large format, this mechanism comprising two superposed rings, respectively upper and lower, one of which carries fifteen successive markings of a cycle of 31 positions, while the other carries the other sixteen markings, a device for arresting by jumping effect to properly position the two rings.
  • the present invention relates to a date mechanism for a timepiece such as a wristwatch comprising two superposed, respectively lower and upper, date rings whose surface is divided into a plurality of sectors, the ring comprising fifteen sectors, fifteen of which respectively bear fifteen successive markings of a cycle of 31 positions and of which the sixteenth is a surplus sector having an open or transparent window, while the lower ring comprises seventeen sectors, of which sixteen respectively the other sixteen markings of the cycle of 31 positions and of which the seventeenth is a surplus sector, each of these rings being provided respectively with a peripheral toothing made of a succession of regularly spaced teeth and cooperating with means of training of in such a way that the markings of the lower ring appear successively in a zone display through the window, the upper ring remaining stationary, and that, the lower ring being stationary, the markings of the upper ring appear successively in the display area, the upper ring covering the markings of the lower ring, the date mechanism further comprising a jumper device able to stop each ring in any desired position
  • the present invention provides a date mechanism for a timepiece comprising a jumper device that is simple to manufacture and allows the two date rings to be properly positioned.
  • the jumpers according to the invention are constantly housed between two successive teeth of the toothing of each of the rings even during the passage of the thinned tooth.
  • the jumpers according to the invention are therefore classically terminated by two inclined planes that support between the tips of two teeth immediately successive to maintain the date ring concerned in the desired position. These jumpers are therefore of conventional design and exert on the calendar rings a constant intensity of retention force, regardless of the position of said rings.
  • the present invention proceeds from the general inventive idea of providing a date mechanism for a timepiece whose jumper device comprises two jumper space saving, simple to manufacture and ensuring proper positioning of the date discs.
  • This result is achieved thanks to the fact that, contrary to the prior art where, due to the fact that a place in the toothing of each of the calendar rings is toothless, the jumpers must cooperate with three successive teeth of the toothing. of each of the rings to ensure the positioning of these rings, even when passing the missing tooth, according to the invention the missing tooth is replaced by a thinned tooth.
  • This thinned tooth plays the same role as the missing tooth, namely to define an extended rest position for the date ring concerned when it has its free position at the display location of the watch, but allows to guarantee that the jumper will be constantly housed between two immediately consecutive teeth of the toothing of said ring.
  • These jumpers are therefore of conventional type and exert on the calendar rings a constant retaining force, even during the passage of the thinned tooth.
  • the figure 1 is a top view of a watch movement comprising a date mechanism according to the invention.
  • the movement is mounted in a casing ring 2.
  • the date mechanism according to the invention mainly comprises an upper date ring 4 superimposed on a lower date ring 6.
  • upper date ring 4 has sixteen sectors, while the lower date ring 6 has seventeen sectors.
  • the upper ring 4 covers fifteen of its sectors markings "17" to "31" while the last sector is provided with an open or transparent window 8.
  • the lower ring 6 has meanwhile on sixteen of its sectors the markings "1" to "16" while the last sector is free marking.
  • the inner circumference of the rings 4 and 6 has a toothing formed of a succession of regularly spaced teeth designated by 10 for the upper ring 4 and by 12 for the lower ring 6.
  • a location of the teeth of the rings upper 4 and lower 6 is provided with a thinned tooth designated respectively by 14 and 16.
  • the term "thinned tooth” means a tooth whose height, considered in the direction perpendicular to the plane in which the date rings 4 and 6 extend, is smaller than those of the teeth that precede and follow it.
  • a date drive wheel 18 typically making a turn every twenty-four hours, drives the date rings 4 and 6 in a conventional manner, by action on the teeth 10 or 12.
  • the position of the wheel of drive 18 relative to the teeth of the rings 4 and 6 is such that, when one of these rings has its free position (window 8 for the upper ring 4 and sector free of marking for the lower ring 6) to the display position 20 of the watch movement 1 (dial counter supposed to be removed and which would occupy the position where the number "16" is seen), the drive wheel 18 is in front of the thinned tooth 14 or 16 of the ring concerned.
  • a jumper device 22 comprising two jumpers 24 and 26 acts on the teeth 10 of the upper ring 4 and on the teeth 12 of the lower ring 6.
  • the jumpers must cooperate with three successive teeth of the teeth of each of the rings to ensure the positioning of these rings even when passing the missing tooth
  • the present invention proposes to replace the missing tooth by a thinned tooth, that is to say, lower than the other teeth disposed along the inner periphery of the upper date ring 4 and lower 6.
  • the thinned tooth according to the invention plays the same role as the missing tooth according to the prior art, namely to define an extended rest position for the date ring concerned when it present e its free position at the display location 20 of the watch, but ensures, by its presence, that the jumper will be constantly housed between two immediately consecutive teeth of the toothing of said ring.
  • the date rings 4 and 6 each have an abutment 28 and 30, respectively.
  • figures 2 and 3 show the detail of this arrangement.
  • the stop 28 extends perpendicular to the plane of the upper date ring 4, while the stop 30 extends radially out of the outer perimeter of the lower date ring 6.
  • the upper date ring 4 has its window 8 at the display location 20, and simultaneously its thinned tooth 14 vis-à-vis the drive wheel 18. It will be understood that the height of the thinned tooth 14 is such that the drive wheel 18 can not mesh with this tooth and drives only the lower date ring 6 which, to achieve the position shown, was successively conducted by the drive wheel 18 in the situations where it exposed the markings "11", “12”, ..., "15” and finally "16". At the moment when the marking "16" appears, the stop 30 comes to bear against the stop 28.
  • the upper ring 4 will also be driven, so that the window 8 will disappear from the display location 20, to make room for the marking "17" of the upper ring "4".
  • the lower ring 6 which will present its thinned tooth 16 in front of the drive wheel 18.
  • the height of the thinned tooth 16 is such that the wheel of drive 18 can meshing with this tooth 16 and drives only the upper date ring 4.
  • the figure 5 is an exploded view of the movement 1 provided with the date mechanism according to the invention.
  • This movement 1 comprises a plate 32 which supports and guides in rotation the two lower and upper date rings 6 and 4.
  • In the center of the plate 32 stands conventionally the axis of the hour wheel 34 on which is engaged the hour wheel. 36.
  • a bridge 38 carries the stop device 22 provided with its two jumpers 24 and 26 which respectively act on the upper date ring 4 and on the lower date ring 6.
  • the drive wheel 18 comprises a wheel 40 driven, via a gear reducer not shown, by the hour wheel 34 so as to perform a complete revolution in twenty-four hours.
  • Two fingers 42 and 44 are fixed, for example by welding, on the wheel 40.
  • the drive wheel 18 is freely mounted on an axis 46 of the bridge 38.
  • the date mechanism according to the invention is held axially on the plate 32 by means of a holding plate 48 fixed with screws. 50.
  • the figure 6 is a developed representation of the teeth of the upper date ring 4 and lower 6.
  • the upper date ring 4 has sixteen teeth identified by the numerals 1,2, ... ., 15 and 16, while the lower date ring 6 comprises seventeen teeth identified by the numerals 1, 2, ..., 16 and 17.
  • the upper ring 4 therefore has 16 divisions, while the lower ring 6 has 17 divisions.
  • the teeth 10 and 12 respectively of the upper 4 and lower 6 rings are offset with respect to each other.
  • the positions of the tapered teeth 14 and 16 of the upper 4 and lower 6 rings are marked by circles in solid lines.
  • the position of the drive wheel 18 vis-à-vis the teeth of the upper 4 and lower 6 rings is marked by the line segment AA.
  • the two jumpers 24 and 26 are represented by two rectangles which bear the same numerical references. As can be seen from the drawing, the height of the two jumpers 24 and 26 is equal to the thickness of the teeth 10 and 12.
  • the upper date ring 4 has its thinned tooth 14 facing the drive wheel 18.
  • This position corresponds to the situation in which the upper ring 4 has its window 8 at the display location 20 of the movement and reveals the number "16" carried by the lower ring (see also figure 4 ).
  • the stop 30 of the lower date ring 6 comes into abutment against the stop 28 of the upper ring 4.
  • the upper ring 4 will also be driven. It will then be the lower ring 6 which will present its thinned tooth 16 facing the drive wheel 18, while the thinned tooth 14 of the upper ring 4 will have advanced one step.
  • the height of the two jumpers 24 and 26 is substantially equal to the thickness of the teeth 10 and 12, so that even when passage of the thinned tooth, respectively 14 or 16, said jumpers are always engaged between two immediately consecutive teeth of the upper and lower disc teeth, ensuring proper positioning of these discs.

Claims (3)

  1. Monatsdatumsmechanismus für Zeitmessgerät wie etwa eine Armbanduhr, der zwei übereinander liegende Monatsdatumsringe, nämlich einen unteren Ring (6) und einen oberen Ring (4), deren Oberfläche in mehrere Sektoren unterteilt ist, aufweist, wobei der obere Ring (4) sechzehn Sektoren umfasst, wovon fünfzehn fünfzehn aufeinander folgende Markierungen eines Zyklus von 31 Positionen tragen und der sechzehnte ein überzähliger Sektor ist, der ein offenes oder lichtdurchlässiges Fenster (8) aufweist, während der untere Ring (6) siebzehn Sektoren aufweist, wovon sechzehn die sechzehn anderen Markierungen des Zyklus von 31 Positionen tragen und der siebzehnte ein überzähliger Sektor ist, wobei jeder dieser Ringe (4, 6) mit einer jeweiligen Umfangszahnung versehen ist, die aus einer Folge von regelmäßig beabstandeten Zähnen (10, 12) hergestellt ist, die mit Antriebsmitteln in der Weise zusammenwirken, dass die Markierungen des unteren Rings (6) nacheinander in einer Anzeigezone (20) durch das Fenster (8) hindurch erscheinen, während der obere Ring (4) unbeweglich bleibt, und dass dann der untere Ring (6) unbeweglich bleibt, während die Markierungen des oberen Rings (4) nacheinander in der Anzeigezone (20) erscheinen, wobei der obere Ring (4) die Markierungen des unteren Rings (6) abdeckt, wobei der Monatsdatumsmechanismus außerdem eine Arretierungsvorrichtung (22) mit Sprungeffekt aufweist, die jeden Ring (4, 6) an jeder gewünschten Position arretieren kann, wobei die Arretierungsvorrichtung an die Schrittweite des betreffenden bestimmten Rings (4, 6) angepasst ist, wobei der Monatsdatumsmechanismus dadurch gekennzeichnet ist, dass eine Stelle des oberen Rings (4) und eine Stelle des unteren Rings (6) jeweils mit einem verdünnten Zahn (14, 16) versehen sind, der weniger hoch als die anderen Zähne (10, 12) ist und sich zwischen zwei aufeinander folgenden Zähnen (10, 12) der Zahnung des betreffenden Rings (4, 6) befindet, wobei die Position der Antriebsmittel in Bezug auf die Zahnung der Ringe (4, 6) derart ist, dass dann, wenn einer der Ringe (4, 6) seinen überzähligen Sektor am Ort der Anzeigezone (20) aufweist, der verdünnte Zahn (14, 16) dieses Rings (4, 6) sich gegenüber den Antriebsmitteln befindet, derart, dass die Antriebsmittel nur den anderen Ring antreiben, wobei die verdünnten Zähne (14, 16) in der Weise angeordnet sind, dass sie die Bewegung der Antriebsmittel nicht behindern und der Arretierungsvorrichtung (22) ermöglichen, sich ständig zwischen zwei aufeinander folgenden Zähnen (10, 12) jedes der Ringe (4, 6) zu befinden.
  2. Monatsdatumsmechanismus nach Anspruch 1, dadurch gekennzeichnet, dass die Arretierungsvorrichtung (22) zwei Sprungelemente (24, 26) aufweist, deren Höhe im Wesentlichen gleich der Dicke der Zähne (10, 12) ist.
  3. Monatsdatumsmechanismus nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Antriebsmittel ein Rad (18) umfassen, das dazu ausgelegt ist, eine Umdrehung in 24 Stunden auszuführen, und das mit zwei Zapfen (42, 44) versehen ist, die dazu ausgelegt sind, die Monatsdatumsringe (4, 6) durch Einwirkung auf ihre Zähne (10, 12) anzutreiben.
EP03027147A 2003-11-26 2003-11-26 Kalendermechanismus für eine Uhr mit zwei übereinliegenden Ringen Expired - Lifetime EP1536300B1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP03027147A EP1536300B1 (de) 2003-11-26 2003-11-26 Kalendermechanismus für eine Uhr mit zwei übereinliegenden Ringen
SG200407199A SG112095A1 (en) 2003-11-26 2004-11-12 Timepiece with a date mechanism comprising two superposed date rings
KR1020040093756A KR101093184B1 (ko) 2003-11-26 2004-11-17 중첩된 두개의 날짜 링으로 구성된 날짜 장치를 가진 시계
TW093135280A TW200519554A (en) 2003-11-26 2004-11-17 Timepiece with a date mechanism comprising two superposed date rings
US10/991,489 US6934221B2 (en) 2003-11-26 2004-11-19 Timepiece with a date mechanism comprising two superposed date rings
CN2004100917318A CN1621974B (zh) 2003-11-26 2004-11-25 具有包含两个叠置日历环的日历机构的钟表
JP2004341920A JP4537183B2 (ja) 2003-11-26 2004-11-26 重ね合わされた２つの日付リングを備える日付機構を有する時計
HK05109891.6A HK1077884A1 (en) 2003-11-26 2005-11-07 Timepiece with a date mechanism comprising two superposed date rings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03027147A EP1536300B1 (de) 2003-11-26 2003-11-26 Kalendermechanismus für eine Uhr mit zwei übereinliegenden Ringen

Publications (2)

Publication Number Publication Date
EP1536300A1 EP1536300A1 (de) 2005-06-01
EP1536300B1 true EP1536300B1 (de) 2011-06-08

Family

ID=34442881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03027147A Expired - Lifetime EP1536300B1 (de) 2003-11-26 2003-11-26 Kalendermechanismus für eine Uhr mit zwei übereinliegenden Ringen

Country Status (8)

Country Link
US (1) US6934221B2 (de)
EP (1) EP1536300B1 (de)
JP (1) JP4537183B2 (de)
KR (1) KR101093184B1 (de)
CN (1) CN1621974B (de)
HK (1) HK1077884A1 (de)
SG (1) SG112095A1 (de)
TW (1) TW200519554A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7738324B2 (en) 2005-03-30 2010-06-15 Citizen Holdings Co., Ltd. Display device and timepiece calendar device
US7120091B1 (en) * 2005-08-25 2006-10-10 Timex Group B.V. Electronic device with calendar function
US7423936B2 (en) * 2005-09-07 2008-09-09 Timex Group B.V. Electronic device with scheduled occurrence indicators
DE602006007855D1 (de) * 2006-09-26 2009-08-27 Eta Sa Mft Horlogere Suisse Uhrwerk, das eine Halteplatte für einen Anzeigering umfasst
EP2141556B1 (de) * 2008-07-03 2012-06-27 ETA SA Manufacture Horlogère Suisse Jahreskalendermechanismus für Uhrwerk
US7859950B2 (en) * 2008-08-11 2010-12-28 Blancpain S.A. Large date calendar day mechanism for a timepiece
EP2835697B1 (de) 2013-08-05 2022-01-05 ETA SA Manufacture Horlogère Suisse Vorrichtung zur Anzeige einer Datumsanzeige
EP2985660B1 (de) * 2014-08-14 2019-05-22 Montres Tudor S.A. Uhranzeigevorrichtung einer Uhrzeitanzeige oder eines abgeleiteten Uhrzeitwerts
EP3040784B1 (de) 2014-12-30 2018-08-15 ETA SA Manufacture Horlogère Suisse Datumsanzeigevorrichtung für eine Uhr
EP3040788B1 (de) * 2014-12-30 2017-08-09 ETA SA Manufacture Horlogère Suisse Kupplungsmechanismus für die Ziffernscheiben einer Datumsanzeige
CN108227454B (zh) * 2016-12-22 2023-05-26 天津海鸥表业集团有限公司 一种钟表的双层日历机构
CN113093503B (zh) * 2020-01-08 2024-01-05 精工爱普生株式会社 机芯和钟表

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1195236B (de) * 1962-01-13 1965-06-16 Diehl Fa Uhr mit Datumanzeige
CH624534GA3 (de) * 1979-04-04 1981-08-14
CH660941GA3 (en) * 1985-06-11 1987-06-30 Fred Murten Bandi Counting and display device with window, especially for wrist watch or other timepiece calendar, with analogue display
DE19845539A1 (de) * 1998-10-02 2000-04-06 Fortis Ag Grenchen Armbanduhr mit einer Großdatumsanzeige und Verwendung eines Uhrwerks für eine Armbanduhr zur Ausbildung einer Großdatumsanzeige
TW493113B (en) * 2000-08-23 2002-07-01 Ebauchesfabrik Eta Ag Electronic watch with a large date aperture
SG102647A1 (en) * 2000-12-22 2004-03-26 Ebauchesfabrik Eta Ag Timepiece provided with a date having a large aperture
DE01811165T1 (de) * 2001-11-30 2004-03-11 Rolex Sa Kalendermechanismus für eine Uhr
JP4451634B2 (ja) * 2003-10-31 2010-04-14 シチズンホールディングス株式会社 カレンダー機構

Also Published As

Publication number Publication date
JP4537183B2 (ja) 2010-09-01
SG112095A1 (en) 2005-06-29
TW200519554A (en) 2005-06-16
CN1621974A (zh) 2005-06-01
US6934221B2 (en) 2005-08-23
US20050111302A1 (en) 2005-05-26
KR101093184B1 (ko) 2011-12-13
EP1536300A1 (de) 2005-06-01
JP2005156563A (ja) 2005-06-16
HK1077884A1 (en) 2006-02-24
KR20050050538A (ko) 2005-05-31
CN1621974B (zh) 2013-03-27

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