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Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
![]() 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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