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7.75 x 12''', Dm= 17.5 x 26.8mm
Do= 17.5 x 27.4mm
f = 18000 A/h
power reserve 75h
Balance staff U170
Mainspring / battery
Zf857, 1.30 x 13.0 x 0.10mm
1.05 x 0.70 / 0.15mm
Comments about the data
straight lever (ligne angulaire)
indirect minute, hand friction clutch on barrel
ratchet on dial side, crown mechanism with rocker bar
two-layer base plate
near 2nd-wheel bearing a thread for a just-for-fun screw to pretend a separate train bridge
334: 3/4 plate
335: separate train bridge
Example, year: signature; shock device
ca. 1935: ZentRa 110
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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