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| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2 | Gruen 335 Features manual wind sub second Data 8.75 x 9.75''', Dm= 19.45 x 22.0mm H= 4.0mm F= 2.0mm T= 2.4mm 17 jewels f = 18000 A/h power reserve 37h Balance staff U1737 Stem W2075 Main spring / battery 1.18 x 8.5 x 0.105 x 250mm ~Zf665, 1.20 x 8.5 x 0.095 x 265mm Hands 1.22 x 0.66 / 0.16mm | Remarks 1940-1948 Breguet hairspring family/generations: barrel shape 335: 17 jewels 335-21: 21 jewels 335R: 21/23 jewels, Incabloc 335N: 21/23 jewels, plate optimized for Incabloc cushion shape 430: 17 jewels, fake separate escape-wheel cock 431: 15 jewels 435: 17 jewels 440: 17 jewels, Curvex, curved back surface Example, year: signature; shock device ca. 1945: GXC, 612095, Gruen Watch Co, Precision, Switzerland, Veri-Thin Patented, 17 Jewels Comments about the data 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. The features and technical data were mostly taken from movements, which were investigated on the occasion of sale, service, or repair. As the accordant watches are no longer available, further data can't be given on request. |
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