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Fig. 1

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Fig. 2

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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

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.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft


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