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7.75''', Dm= 17.2mm, Do= 17.6mm
f = 19800 A/h
Balance staff U2820
Mainspring / battery
1.60 x 7.0 x 0.07mm
1.05 x 0.55mm
Comments about the data
17-10: 18000A/h, base plate with mounting flange
17-11: 18000A/h, base plate without mounting flange
17-12: 19800A/h, base plate with mounting flange
Example, year: signature; shock device
ca. 1965: Certina, 17-12, Swiss, 17 Jewels; Incabloc
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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