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option: digital display: minute, jumping hour
option: sub second
10.5''', Dm= 23.3mm, Do= 23.9mm
(winding gear, lever cock +0.5mm)
f = 18000 A/h
power reserve 32h
Balance staff U2231 / U1391
balance with impuls finger/pin
Mainspring / battery
1.30 x 11.5 x 0.11mm
1.85 x 1.00 / 0.20mm
Comments about the data
indirect minute, hand friction clutch on barrel (Roskopf type)
almost equivalent to Baumgartner 34
Example, year: signature; shock device
1-2) ca. 1975: -
3-5) ca. 1975: -
© R. van Rijn (3-5)
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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