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10.5''', Dm= 23.3mm, Do= 23.7mm
(jewel settings +0.25mm)
f = 18000 A/h
Balance staff U371
Mainspring / battery
Zf1213, 1.50 x 9.5 x 0.10 x 320mm
1.40 x 0.80 / 0.18mm
Comments about the data
ca. 1933-1950 (102, 102/1)
102: sub second
102(SC): sweep second
suffix /1: no longer jewel settings
Example, year: signature; shock device
ca. 1935: 8, l - Bifora 102
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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