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 Fig. 1 | Alpina 123 (Gruen 123) Features manual wind sub second Data 8.75 x 12''', Dn= 19.74 x 27.07mm 17 jewels f = 18000 A/h Comments about the data | Remarks 1925- bimetallic screw balance, Breguet hairspring Example, year: signature; shock device ca. 1925: 701737, Gruen Watch Co, Precision, Extra, Switzerland, 17 Jewels (Gruen 123) © 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. |
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