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|Alpina 123 (Gruen 123)|
8.75 x 12''', Dn= 19.74 x 27.07mm
f = 18000 A/h
Comments about the data
bimetallic screw balance, Breguet hairspring
Example, year: signature; shock device
ca. 1925: 701737, Gruen Watch Co, Precision, Extra, Switzerland, 17 Jewels
© F. Lukaszewski
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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