|Index||Timepiece Archive, Categories||Archive: Watch Movements||Timepiece Market|
8.75''', Dm= 19.5mm, Do= 19.7mm
f = 18000 A/h
power reserve 33h
Balance staff U57
Mainspring / battery
Zf570, 1.15 x 7.5 x 0.09 x 220mm
1.20 x 0.65mm
Comments about the data
bimetallic screw balance
identification uncertain because it has no setting-lever spring.
But also other AS calibres are known with and without setting-lever spring.
differences not known between 612, 632, 664, 669, 687
Example, year: signature; shock device
ca. 1925: - 078
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|
...the alternative - free of charge!