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 Fig. 1  Fig. 2 | Alpina 575 (Universal 259) Features manual wind sub second Data 9.75''', Dm= 21.7mm H= 3.75mm 15 jewels f = 18000 A/h power reserve 37h Balance staff U107 Stem W780 Mainspring / battery Zf761, 1.25 x 8.5 x 0.10 x 250mm Hands 1.31 x 0.72 / 0.15mm Comments about the data | Remarks ingenious: one simple part replaces setting-lever spring, yoke, and yoke spring differences not known between 575, 762 Gruen lists two balance staffs and two lever arbors for the equivalent Gruen 179. Maybe this lead to two Alpina calibres within the Alpina-Gruen Guild. It is also considerable that the earlier Alpina 762 was finished by Gruen, and the later Alpina 575 purchased directly from Universal. Movement registers and staff lists contain only the base calibre Universal 259, and this makes further investigations difficult. Example, year: signature; shock device 1945: 1218344, Alpina 575, Swiss 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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