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7.75''', Dm= 17.2mm, Do= 17.5mm
f = 216000 A/h
power reserve 39h
Balance staff U3253
Mainspring / battery
Zf328, 1.00 x 7.0 x 0.08 x 220mm
1.10 x 0.60mm
Comments about the data
detached manual wind
selfwinding gear with direction switching by a pinion floating between two huge jewels (cf. Buren 1280)
ratchet on dial side, crown mechanism with rocker bar
04 : -
Example, year: signature; shock device
1970: N0, Bulova Watch Co, Swiss, 17 Jewels; Kif-Ultraflex
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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