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12''', Dn= 27.07mm
f = 18000 A/h
Comments about the data
indirect minute, hand friction clutch on barrel (Roskopf type)
actual manufacturer unknown
Example, year: signature; shock device
ca. 1970: Gruen Watch Co, New York, 19 Jewels
© B. Johnson
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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