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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Gruen 763 (Alpina 763)

Features
manual wind
sub second

Data
8.75''', Dm= 19.4mm
H= 3.35mm
15 jewels
f = 18000 A/h
power reserve 33h

Balance staff U65

Stem W135

Mainspring / battery
1.25 x 7.5 x 0.08mm

Hands
1.20 x 0.7 / 0.12mm

Comments about the data

Remarks
Alpina Gruen Gilde 1929-1937
bimetallic screw balance

Example, year: signature; shock device
ca. 1930: Alpina 763 - 1, 406
(Alpina 763)

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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