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8.75''', Dm= 19.4mm, Do= 19.7mm
f = 18000 A/h
power reserve 45h
Balance staff U631
Mainspring / battery
Zf1459, 1.80 x 8.0 x 0.08 x 280mm
1.20 x 0.60mm
Comments about the data
like 189, but higher
differences not known between 170, 171, 173, 182, 194, 199
Example, year: signature; shock device
ca. 1945: Swiss Made, 17 Jewels
(FHF 189, H=3.3mm)
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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