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5.75 x 8.5''', Dm= 12.8 x 19.25mm
H= 3.5mm (3.65mm with winding gear)
f = 18000 A/h
power reserve 37h
Balance staff U1450/U2051/U345
balance collet 0.57 / 0.74 / 0.84mm
Mainspring / battery
Zf472, 1.10 x 7.5 x 0.085 x 240mm
0.98 x 0.58mm
Comments about the data
minor modifications against 50
Example, year: signature; shock device
ca.1950 : - B, 50, 1
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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