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Fig. 2

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Fig. 3

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Fig. 4

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Fig. 5

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Fig. 6

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Fig. 7

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Fig. 8

Bulova 10COAC

Features
automatic
sweep second

Data
10.5''', Dm= 23.3mm, Do= 23.65mm
H= 4.55mm
F= 0.9mm
T= 1.6mm
30 jewels
f = 18000 A/h
power reserve 36h

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

Hands
1.40 x 0.85 x 0.18mm

Comments about the data

Remarks
1966-
balance with two (Fig.4) or four (Fig.8) sunk adjustment screws
Kif-Duofix combined settings for seconds- and escapement wheel
barrel with jewel bearings
rotor with heavy-metal weight
selfwinding gear from beryllium bronze
indirect minute with clearance-free gear (minute wheel with spring suspension)

Example, year: signature; shock device
1-4) 1966: M6, Bulova - U.S.A., 10COAC, 30 Jewels; Kif-Flector
5-8) 1967: M7, Bulova - U.S.A., 10COAC, 30 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.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft


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