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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

Bulova 10BM

Features
manual wind
sub second

Data
10.5''', Dm= 23.3mm
H= 3.6mm
17/21 jewels
f = 18000 A/h
power reserve 40h

Balance staff U1786

Stem W2087

Mainspring / battery
Zf852, 1.30 x 9.0 x 0.10 x 290mm

Hands
1.25 x 0.60 / 0.22mm

Comments about the data

Remarks
1949-1955
Breguet hairspring
only minor differences between 10BH, 10BM

Example, year: signature; shock device
1-2) 1950: L0, Bulova Watch Co, U.S.A., 17 Jewels
3-4) 1952: L2, Bulova Watch Co, U.S.A., 21 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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