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Dm= 17.5mm, Do= 18.0mm
f = 21600 A/h
power reserve 42h
Balance staff U2920
Mainspring / battery
1.00 x 6.5 x 0.075mm
1.10 x 0.55mm
Comments about the data
1973-1979 , 2410000
shares many parts with automatic family 670
630: 19800A/h, sweep second
635: 21600A/h, sweep second
Example, year: signature; shock device
1974: 37157113, Omega, Swiss; 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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