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 Fig. 1  Fig. 2  Fig. 3 | Alpina 157 (Marc Favre 768) Features manual wind sub second Data 8.75 x 12.5''', Dm= 19.8 x 28.15mm H= 4mm 15 jewels f = 18000 A/h power reserve 41h Balance staff U1930 Stem W2123 Mainspring / battery Zf1062, 1.40 x 10.5 x 0.12 x 320mm Hands 1.22 x 0.70 / 0.16mm Comments about the data | Remarks 1925- Alpina Gruen Gilde 1929-1937 bimetallic screw balance straight lever (ligne angulaire) stem mechanism without setting-lever spring Swiss Patent 110319: filed 09-12-1924, Marc Favre & Co., Bienne (CH) US Patent 1708610: filed 08-21-1925, Marc Favre & Co., Bienne (CH), Inhaber: Gruen Watch Co., Cincinnati (USA) placement of the rear 4th wheel bearing beneath the balance, to make space for a big balance Both patents show and describe precisely the calibre listed here, which was applied by Alpina, Gruen, and Marc Favre. Thus Marc Favre is surely the designer, likely also the maker. Example, year: signature; shock device ca. 1935: 157, 157 - D 172, Brevet+ 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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