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| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2  Fig. 3  Fig. 4 | Girard-Perregaux 41 (AS 1920) Features automatic sweep second date: quickset by repeated pushing the crown hack feature Data 12.5''', Dm= 28.0mm, Do= 28.35mm H= 5.2mm (dial spacer +0.1mm) F= 2.0mm T= 2.5mm 17 jewels f = 36000 A/h power reserve 46h Balance staff U3424 Stem W3334 Mainspring / battery 1.15 x 11.5 x 0.15mm Hands 1.5 x 0.90 x 0.20mm Comments about the data | Remarks 1968- micrometer regulator with adjustable hairspring gap from Girard-Perregaux family: 41: date 440: day, date 444: day, date, Triovis regulator Example, year: signature; shock device ca. 1975: 72339, 36000 A/h, 41-291, Girard-Perregaux, Gyromatic, Swiss, 17 Jewels; Incabloc Not for Sale! The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating. |
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