EP1475682B1 - Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen - Google Patents

Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen Download PDF

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Publication number
EP1475682B1
EP1475682B1 EP04010878A EP04010878A EP1475682B1 EP 1475682 B1 EP1475682 B1 EP 1475682B1 EP 04010878 A EP04010878 A EP 04010878A EP 04010878 A EP04010878 A EP 04010878A EP 1475682 B1 EP1475682 B1 EP 1475682B1
Authority
EP
European Patent Office
Prior art keywords
chronograph
watch according
chronograph watch
hand
fraction
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.)
Not-in-force
Application number
EP04010878A
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English (en)
French (fr)
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EP1475682A1 (de
Inventor
Papi Giulio
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.)
Audemars Piguet Renaud et Papi SA
Original Assignee
Audemars Piguet Renaud et Papi 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
Priority claimed from EP03010469A external-priority patent/EP1475681A1/de
Application filed by Audemars Piguet Renaud et Papi SA filed Critical Audemars Piguet Renaud et Papi SA
Priority to EP10174727.7A priority Critical patent/EP2249215B1/de
Priority to EP04010878A priority patent/EP1475682B1/de
Publication of EP1475682A1 publication Critical patent/EP1475682A1/de
Application granted granted Critical
Publication of EP1475682B1 publication Critical patent/EP1475682B1/de
Anticipated expiration legal-status Critical
Not-in-force legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G04F7/0814—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with double hammer, i.e. one hammer acts on two counters
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0866—Special arrangements
    • G04F7/0876—Split-time function, e.g. rattrappante
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0866—Special arrangements
    • G04F7/088—Special arrangements with display of fraction of seconds, e.g. foudroyante

Definitions

  • the present invention relates to a device for the instantaneous display of fractions of a second, on a separate counter in a mechanical chronograph watch, only when stopping the timing, or when momentarily interrupts the timing when said chronograph watch is equipped with a jumper.
  • the manufacturers have proposed to equip mechanical chronograph watches with a device called "second lightning".
  • the principle is to display on the dial fractional seconds on a separate meter by means of a small needle, permanently driven by a multiplicative gear train, said small needle making each second a complete turn, or even 4 or 5 turns depending on the complexity of the gear train.
  • Such a device makes reading easier, and allows a precision to the tenth of a second, but has the disadvantage of requiring a surplus of mechanical energy to drive during the time of the gear train and the small amount of time. needle.
  • This additional energy resource can be obtained by increasing the dimensions of the barrel, or by adding a second barrel, which has the disadvantage of making the construction of the movement more complex, and increase the weight and dimensions of the chronograph watch. .
  • the invention therefore aims at overcoming the drawbacks of the aforementioned prior art by providing a mechanical chronograph watch comprising a mechanism making it possible to display instantly, after temporarily or permanently stopping the timing, the fractions of seconds to be added to the values indicated by the catcher or the second hand in the center and by the other counters.
  • the device according to the invention is designed so that the meter displaying the fractions of a second is completely separated from the kinematic chain, which has the advantage of considerably reducing the supply of mechanical energy that was necessary. according to the aforementioned prior art, while providing a display having excellent accuracy and excellent readability, both for a final time and for intermediate times.
  • the invention relates to a chronograph watch according to claim 1.
  • the fractional seconds counter is disconnected from the kinematic chain, and the additional energy for the display of fractions of a second is provided by the rewinding of a spring when performing resetting the counter.
  • each elementary cam may be formed by an inclined plane or by a succession of stages each corresponding to a fraction of a second.
  • the fractions of a second needle can be driven directly by the probe arm or by a secondary arm secured thereto. It can also be driven indirectly via a rack secured to said feeler arm and whose toothed sector meshes with a pinion itself driving the fractional second needle.
  • the mechanism and the timing control means may be those known from the prior art, such as a column wheel acting on a lever secured to the feeler arm.
  • a chronograph watch comprises a dial 2 indicating the current time by means of an hour hand 3, a minute hand 4, and a small seconds hand 5 off-center on a dial 15 located at 6 o'clock.
  • the watch also includes a central seconds hand 6a, a counter 17 indicating the fractions of a second by means of a hand 7 and a counter 18 indicating the minutes by means of a hand 8.
  • the watch chronograph comprises on its middle 9 a crown 12, a pusher 11 for starting and stopping and a pusher 13 for reset. In known manner, the pushers 11 and 13 could be replaced by a single triple action pusher.
  • a splitter needle 6b whose stopping or walking is controlled by the split-seconds pusher 16 and on the counter 17 an additional second-fraction needle when the chronograph watch is provided with a split-second.
  • the chronograph watch obviously includes a chronograph movement of frequency F, not shown as being well known to those skilled in the art.
  • the driving element is constituted by the chronograph wheel 10 which supports and drives a circular cam 20 in the form of a ring, said cam 20 being formed by a sequence of x elementary cams 22, having an angular aperture ⁇ corresponding to a second, that is 6 °. These elementary cams 22 are intended to cooperate with a feeler arm 27.
  • the circular cam 20 may be a separately manufactured piece and then concentrically fixed on the chronograph wheel 10. It may also be integral with the chronograph wheel 10.
  • an elementary cam 22 is formed by a succession of stages 23i each corresponding to a fraction of a second.
  • stages 23i each corresponding to a fraction of a second.
  • a frequency corresponding to 18,000 vibrations per hour is chosen, ie 5 strokes per second.
  • an elementary cam 22 simply comprises an inclined plane 25, and the circular cam 20 is formed by a solid disc.
  • the circular cam 20, respectively each elementary cam 22, is intended to receive, when stopping the timing, the probe arm 27 pivoted on an axis 28, and the beak 29 abuts on a stage 23i or on the inclined plane 25 by rotating the second fraction needle 7 which is secured thereto to position it opposite a scale 0, 1, 2, 3 or 4 of the counter 17.
  • the counter 17 comprises, before the graduation O, a graduation "N" corresponding to a neutral position in which the nozzle 29 of the probe arm 27 is completely clear of the cam 20 by allowing the free rotation of the chronograph wheel 10.
  • the probe arm 27 is kept spaced from the cam 20 by a control arm 31 whose end comprises a pulse plane 32 held by a spring (not shown) resting on a column 33i of a column wheel 30 comprising drive teeth 34i.
  • the probe arm 27 is further provided with a secondary arm 35 having at its end a pin 36 intended to cooperate with a latch 40 pivoted on an axis 41, said latch 40 being held in the position represented by a retaining pin 42 and to perform the reset counter 17 by means of a control finger 43, as will be explained with reference to Figures 4 to 6 .
  • the latch 40 also comprises two arms 44, 46 having at their ends two hammers 45, 47 for resetting the cores (not shown) of the other counters.
  • the figure 4 which corresponds to the figure 2 in the start-up position, there are two essential differences in the indirect drives of the cam and fractional second hand.
  • This ratio k must be an integer divisor of 60, so that a complete revolution of the drive pinion 21 corresponds to an integer x of seconds, that is to say in fact to the number x of cams
  • k 10
  • n 1 160 teeth
  • n 2 16 teeth
  • Other choices are obviously possible.
  • n 1 180 teeth so as to be able to build a mechanism having from 2 to 6 elementary cams, simply by choosing driving gears 19 having respectively 6, 9, 12, 15 or 18 teeth.
  • This embodiment also has the advantage of providing elementary cams having a large angular aperture ⁇ (60 ° in the example shown) making it easier to arrange the stages 23i or the inclined plane 25. It also makes it possible to have 23i stages (respectively a tilted plane 25) deeper by providing a greater clearance to the feeler arm 27 and correlatively to the fraction of second hand 7, in the case where it would be, as in the first embodiment, integral with the 27.
  • the graduations of the counter 17 can then be further spaced, which facilitates reading. In the example shown, we see that the graduations are from 0 to 5, which corresponds to a fractionation in 1/6 of a second.
  • each elementary cam 22 has 6 stages 23i and a frequency of 21600 alternations per hour is chosen.
  • This second embodiment also differs from that first described in that the fraction of second hand 7 is no longer driven directly by the feeler arm 27, but indirectly by a rack 37 secured to said feeler arm 27, and the toothed sector 38 meshes with a pinion 39 supporting the fractional seconds hand 7 and driving it in rotation.
  • the addition of the rack 37 has the advantage of being able to further amplify the movement of the second fraction needle 7 and to give more freedom in the positioning of the counter 17 on the dial 2.
  • the figure 6 represents the position of the mechanism when performing the reset, that is to say in fact when the needles 6 and 8 are returned to zero by means of the hammers 23 and 25 acting on cores (not shown) and the fractional seconds hand 7 in neutral position N.
  • This operation is performed by pressing the pusher 13 to pivot the lever 40 and exert, via the finger 43, a pressure on the pin 36 of the arm 35 to tilting the rack 37 and maintain, without intervention of the column wheel 30, in the rest position in which the nozzle 29 of the probe arm 27 again allows free rotation of the cam 19.
  • the needle 7 is returned to position neutral N by rotating the pinion 39 by the toothed sector 38 of the rack 37.
  • the column wheel 30 advances one step, which causes both the release of the pin 36, and the locking of the end 31a of the arm 31 on a column 33i of the column wheel 30, as shown in FIG. figure 4 .
  • the figure 7 represents a second embodiment which illustrates possible variants of the fractional second display mechanism according to the invention.
  • each elementary cam has 10 stages 23 i , which corresponds to a fractionation in tenths of a second, provided, of course, that a frequency of 36000 vibrations per hour is used. With this same frequency could also be designed an elementary cam having only 5 stages for a timing to 1/5 second and to correct the default start interlocking.
  • the drive pinion 39 is replaced by a multiplicative gear train 24, 26, so that the fractional seconds hand 7 driven by the driven pinion 26 can scan the entire circumference of a circular dial.
  • This construction also has the advantage of reversing the direction of rotation of the needle 7 and thus to provide a display in the clockwise direction.
  • the figure 8 represents a fourth embodiment in which the device according to the invention is also applied to the mechanism of the catch-up needle 6b, thus making it possible to read an intermediate time timed with the same precision of fractions of a second as a final time.
  • the similar or identical parts are designated by the same references as those indicated in the previous embodiments.
  • a cam 20 comprising elementary cams 22 is driven by a chronograph wheel 10, itself engaged with that which drives the second hand to the center 6a, and can be detached from it by known devices in a split-seconds chronograph watch.
  • the device also comprises a column wheel 30a provided with columns 33i and teeth 34i, as previously described. The rotation of this column wheel 30a is controlled by a device (not shown) actuated by the pushbutton 16.
  • the device also comprises a probe arm 27 extended by a control arm 31, pivoted on an axis 28, said probe arm 27 having a nozzle 29 of which the end comes down into an elementary cam 22, when the actuation of the pusher 16 causes a lug 32 of the control arm 31 to fall between two columns 33i of the column wheel 30 under the action of a spring (not shown) .
  • the control arm 31 also comprises, as in the second embodiment, a rack 37 whose toothed sector 38 meshes with a pinion 39 driving the second fraction needle 7b of the catcher 6b in front of a counter scale. fractions of a second 17.
  • the device differs from those previously described essentially in that the stopping of the chronograph wheel 10 driving the cam 20 is caused by the tweezers clamp 50.
  • the clamp 50 is constituted by two elbow arms 51a, 51b pivoted at their bends respectively on pads 52a, 52b and shown in FIG. figure 8 in the position where their ends bear on the toothing 14 of the chronograph wheel 10 under the action of a spring (not shown).
  • One of the arms 51a is a control arm provided, at its end not acting on the toothing 14, a screw 54 whose head acts on the corresponding end of the other arm 51b, to do so switch at the same time as the control arm 51a.
  • the screw 54 is an eccentric screw for adjusting the pressure exerted by the clamp on the toothing 14.
  • This open / closed maneuver of the clamp 50 is controlled by the column wheel 30 whose columns 33i cooperate with a spout 55 terminated by a flat portion 56 of the control arm 51a of the clamp 50 to open it. Conversely the spaces between the columns 33i allow the spout 55 to fall between two columns and ensure the closure of the clamp 50.
  • the fractional second hand 7b for the timing of an intermediate time by means of the catch-up 6b and the fractional second hand 7a for the timing of a final time by means of the seconds hand at the center 6a can be on the same counter 17, as shown in FIG. figure 1 since these needles are driven by mechanisms based on the same principle, but separated. It is also possible to design this display of fractions of a second on two separate counters, the counter linked to the splitter 6b being for example positioned near the split-second push-button 16 and the minute counter 18 then being moved to another place on the dial.
  • the needle 7b makes a complete revolution and is then positioned in front of the indicator 30 of the counter 17a.
  • This construction has the advantage of facilitating the machining of the stages 23i of the elementary cams 22 since the angle ⁇ is larger. It is obvious that other choices are possible provided the number of seconds corresponding to an elementary cam is an integer divisor of 60. This variant has just been described with reference to the counterclockwise for the timing of an intermediate time but can obviously be applied to the timing of a final time.

Claims (18)

  1. Chronographenuhr, die ein Chronographenwerk mit einer Zeitbasis mit Frequenz F, Steuermittel (11, 13) für die Ingangsetzung, das Anhalten und das Rücksetzen auf null, und ein Zifferblatt (2) umfasst, das mit einer mit analoger Anzeige mittels eines Sekundenzeigers im Zentrum (6) versehen ist, der durch ein Chronographenrad (10) angetrieben wird, das außerdem über Zahnradgelege die Zeiger (8) anderer Zähler (18) und einen Zeiger (7b) eines Zählers (17) antreibt, der eine Skala in Sekundenbruchteilen aufweist, wobei der Sekundenbruchteilzeiger (7b) durch einen Fühlerarm (27) rotatorisch angetrieben wird, der an einer Platine oder einer Brücke des Werks schwenkbar ist, dessen Kippen durch die Anhaltemittel (11) des Chronographen ausgelöst wird und dessen Ausschlagamplitude durch die Ankunft seiner Spitze (29) in einem Anschlag an einem kreisförmigen Nocken (19, 20) gesteuert wird, der durch das Chronographenrad (10) angetrieben wird und x elementare Nocken (22) mit Winkelöffnung α aufweist, die jeweils einer ganzen Zahl von Sekunden, die ein Teiler von 60 ist, entsprechen, wobei die elementaren Nocken (22) sämtlich den gleichen Umriss haben, der den Ausschlag des Fühlerarms (27) bestimmt und ermöglicht, eine Sekunde in Sekundenbruchteile zu unterteilen, dadurch gekennzeichnet, dass sie außerdem einen einholenden Zeiger (6b) umfasst, dessen Gang/Halt durch einen getrennten Drücker (16) gesteuert wird, um mittels des Zeigers (7b) des Sekundenbruchteil-Zählers oder eines zusätzlichen Zählers chronometrische Zwischenzeiten mit der Genauigkeit der endgültigen Chronometrie anzuzeigen.
  2. Chronographenuhr nach Anspruch 1, dadurch gekennzeichnet, dass der Nocken (20) direkt durch das Chronographenrad (10) angetrieben wird, indem er mit dem Rad (10) konzentrisch und fest verbunden ist und 60 elementare Nocken (22) mit einer Winkelöffnung α = 6° aufweist.
  3. Chronographenuhr nach Anspruch 1, dadurch gekennzeichnet, dass der Nocken (19) indirekt über ein Ritzel (21) angetrieben wird, das mit dem Chronographenrad (10) in einem Übersetzungsverhältnis k, derart, dass k · x = 60 ist, in Eingriff ist.
  4. Chronographenuhr nach Anspruch 3, dadurch gekennzeichnet, dass der Nocken (19) aus einer Anzahl elementarer Nocken (22) gebildet ist, die im Bereich von zwei bis sechs liegt.
  5. Chronographenuhr nach Anspruch 1, dadurch gekennzeichnet, dass der Sekundenbruchteilzeiger mit dem Fühlerarm (27) oder über einen mit dem Fühlerarm (27) fest verbundenen sekundären Arm fest verbunden ist.
  6. Chronographenuhr nach Anspruch 1, dadurch gekennzeichnet, dass der Sekundenbruchteilzeiger (7b) durch den Fühlerarm (27) indirekt über eine mit dem Fühlerarm (27) fest verbundene Zahnstange (37) angetrieben wird, deren gezahnter Abschnitt (38) mit einem Ritzel (39) in Eingriff ist, das den Sekundenbruchteilzeiger (7) antreibt.
  7. Chronographenuhr nach Anspruch 6, dadurch gekennzeichnet, dass das Antriebsritzel (39) des Sekundenbruchteilzeigers (7) durch ein Übersetzungszahnradgelege (24, 26) ersetzt ist, wobei der Zeiger (7) durch das angetriebene Ritzel (26) angetrieben wird.
  8. Chronographenuhr nach Anspruch 1, dadurch gekennzeichnet, dass jeder elementare Nocken (22) durch eine schiefe Ebene (25) gebildet ist.
  9. Chronographenuhr nach Anspruch 1, dadurch gekennzeichnet, dass jeder elementare Nocken (22) durch eine Stufenfolge (23i) gebildet ist, die jeweils einem Sekundenbruchteil entspricht.
  10. Chronographenuhr nach Anspruch 9, dadurch gekennzeichnet, dass die Frequenz F die maximale Anzahl von Stufen (23i) bestimmt.
  11. Chronographenuhr nach Anspruch 10, dadurch gekennzeichnet, dass die effektive Anzahl von Stufen (23i), die einem bestimmten Sekundenbruchteil entspricht, die maximale Anzahl von Stufen (23i) oder ein Untervielfaches hiervon ist.
  12. Chronographenuhr nach Anspruch 1, dadurch gekennzeichnet, dass die Ingangsetzungs- und Haltemittel der Chronometrie ein Stützenrad (30) umfasst, das auf einen mit dem Fühlerarm (27) fest verbundenen Hebel (31) einwirkt.
  13. Chronographenuhr nach Anspruch 1, dadurch gekennzeichnet, dass die Nullrücksetzmittel des Sekundenbruchteil-Zählers (17) durch eine Wippe (40) gebildet sind, die auf einen Anschlagstift (36) einwirkt, der am Fühlerarm (27) oder an einem mit dem Fühlerarm (27) fest verbundenen zusätzlichen Arm (35) befestigt ist.
  14. Chronographenuhr nach Anspruch 1, dadurch gekennzeichnet, dass das Anhalten und die Wiederinbetriebnahme des Einholzeigers (6b) durch eine Zange (50) hervorgerufen wird, die durch das Stützenrad (30) gesteuert wird.
  15. Chronographenuhr nach Anspruch 14, dadurch gekennzeichnet, dass die Zange (50) durch zwei Arme (51 a, 51 b) gebildet ist, die an Höckern (52a, 52b) schwenkbar sind, wobei einer der Arme (51a) ein Steuerarm mit einer Schraube (54) ist, deren Kopf den anderen Arm (21 b) antreibt und die eine Spitze (55) aufweist, die in einer Abflachung (56) endet, auf die die Stützen (33i) des Stützenrades (30) einwirken.
  16. Chronographenuhr nach Anspruch 15, dadurch gekennzeichnet, dass die Schraube (54) eine Exzenterschraube ist, die die Einstellung des Drucks der Zange (50) auf die Zahnung (14) ermöglicht.
  17. Chronographenuhr nach Anspruch 1, dadurch gekennzeichnet, dass der Skala O des Sekundenbruchteil-Zählers (17) eine neutrale Skala N, die der Halteposition des Chronographen entspricht, vorhergeht, in der die Spitze (29) des Fühlerarms (27) von dem Nocken (19, 20) vollständig gelöst ist.
  18. Chronographenuhr nach Anspruch 17, dadurch gekennzeichnet, dass die Skalen O und N im Wesentlichen zusammenfallen.
EP04010878A 2003-05-09 2004-05-07 Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen Not-in-force EP1475682B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10174727.7A EP2249215B1 (de) 2003-05-09 2004-05-07 Chronographuhr mit sofortiger anzeige von sekunden-bruchteilen
EP04010878A EP1475682B1 (de) 2003-05-09 2004-05-07 Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03010469A EP1475681A1 (de) 2003-05-09 2003-05-09 Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen
EP03010469 2003-05-09
EP04010878A EP1475682B1 (de) 2003-05-09 2004-05-07 Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen

Related Child Applications (2)

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EP10174727.7A Division EP2249215B1 (de) 2003-05-09 2004-05-07 Chronographuhr mit sofortiger anzeige von sekunden-bruchteilen
EP10174727.7 Division-Into 2010-08-31

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EP1475682A1 EP1475682A1 (de) 2004-11-10
EP1475682B1 true EP1475682B1 (de) 2011-07-13

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EP10174727.7A Active EP2249215B1 (de) 2003-05-09 2004-05-07 Chronographuhr mit sofortiger anzeige von sekunden-bruchteilen
EP04010878A Not-in-force EP1475682B1 (de) 2003-05-09 2004-05-07 Chronographuhr mit sofortiger Anzeige von Sekunden-Bruchteilen

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH704775A2 (fr) * 2011-04-08 2012-10-15 Richemont Int Sa Mécanisme de chronographe.
CN112639629B (zh) * 2018-08-28 2022-11-29 百达翡丽日内瓦公司 用于钟表的显示装置以及包括该装置的钟表
EP4202577A1 (de) * 2021-12-21 2023-06-28 Manufacture d'Horlogerie Audemars Piguet SA Wippevorrichtung eines uhrwerks

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH61025A (fr) * 1912-09-24 1913-09-01 Adrien Aubert Montre chronographe-compteur
CH679969B5 (de) * 1990-12-11 1992-11-30 Ebauchesfabrik Eta Ag
CH689337A5 (fr) * 1996-09-03 1999-02-26 Patek Philippe Sa Pièce d'horlogerie à carillon.
CH696713A5 (fr) 1999-01-28 2007-10-15 Patek Philippe Sa Chronographe mécanique.

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EP1475682A1 (de) 2004-11-10
EP2249215A2 (de) 2010-11-10
EP2249215A3 (de) 2016-09-07
EP2249215B1 (de) 2017-07-19

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