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manual-wind chronograph, 60s, pillar wheel
10.5''', Dm= 23.3mm
f = 18000 A/h
power reserve 38h
Balance staff U1785
Mainspring / battery
1.40 x 9.0 x 0.10mm
1.55 x 0.85 x 0.20 / 0.20mm
Comments about the data
coupling by swiveling hand pinion
smallest diameter for a serial-produced chronograph
Example, year: signature; shock device
1941 : *(1941), Bulova Watch Co, U.S.A., 17 Jewels
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.
|bidfun-db 21.3 © 02-08-15, mtr-Ranfft|
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