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6.75 x 7.75''', Dm= 15.35 x 17.05mm
Do= 15.35 x 17.4mm
f = 18000 A/h
power reserve 38h
Balance staff U1700
Mainspring / battery
Zf831, 1.30 x 7.0 x 0.08 x 220mm
1.00 x 0.55mm
Comments about the data
1023: no second, H= 3.4mm
1030: sweep second, H= 4.1mm
1138: no second, H= 3.0mm
1165: sweep second, H= 3.7mm
Example, year: signature; shock device
ca. 1950: -
(AS 1023, H= 3.4mm)
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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