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| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2 | Alpina 556 (Felsa 4122) Features manual wind option: sub second Data 7.75''', Dm= 17.2mm, Do= 17.5mm H= 2.85mm F= 0.9mm T= 1.35mm 17 jewels f = 21600 A/h power reserve 40h Balance staff U2951 / U2517 balance collet 0.7/0.75mm Stem W2639 Mainspring / battery 1.25 x 6.5 x 0.07mm Hands 1.20 x 0.60mm Comments about the data | Remarks Girocap combined setting for escapement wheel escapement and barrel different from Felsa 4122 Example, year: signature; shock device ca. 1965: 816, Alpina 556, 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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