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View picture in original size
Fig. 1

Gruen 100SS

Features
manual wind
sweep second

Data
12''', Dn= 27.07mm
19 jewels
f = 18000 A/h

Comments about the data

Remarks
pin-lever escapement
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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