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11.5''', Dm= 25.6mm
f = 18000 A/h
Mainspring / battery
1.50 x 10.5 x 0.10 x 420mm
2.10 x 1.30 x 0.90 x 0.21mm
Comments about the data
common barrel for watch and alarm
Wind watch and alarm: crown at 2h. With enabled alarm, winding is not possible.
Set time: pull crown at 2h and set time.
Set alarm: push crown at 4h and set alarm time. The alarm time can only be set reverse, setting forward is inhibited by a freewheel.
Enable alarm: pull crown at 4h.
Disable alarm: push crown at 4h.
Example, year: signature; shock device
1964: M4, BXW, Bulova Watch Co, Swiss, 17 Jewels; Kif-Flector
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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