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10.5''', Dm= 23.3mm
f = 18000 A/h
Balance staff U1483 / U3095
balance collet 0.85/0.9mm
Mainspring / battery
Zf1348, 1.65 x 9.0 x 0.10 x 290mm
1.3 x 0.70mm
Comments about the data
unusual: ratchet on dial side, crown mechanism with rocker bar
rear winding gear just for show
differences not known between 260...266
Example, year: signature; shock device
ca. 1950: Swiss Made, 15 Jewels - 260, Arogno
© B. Johnson
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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