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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Bulova 10BZAC

Features
automatic
sweep second

Data
10.5''', Dm= 23.3mm, Do= 23.7mm
H= 5.3mm
F= 1.0mm
T= 1.4mm
23/30 jewels
f = 18000 A/h
power reserve 40h

Balance staff U3316

Stem W2774

Hands
1.40 x 0.85 x 0.18mm

Comments about the data

Remarks
1959-1963

family/generations:
10.5''', screw balance:
10BZ: manual wind, sub second
10BZA: automatic, sub second
10BZAC: automatic, sweep second
10BZC: manual wind, sweep second
11.5''', screw balance:
11Af: manual wind, sub second
11AFA: automatic, sub second
11AfAC: automatic, sweep second
11AFACD: automatic, sweep second, date
11AfC: manual wind, sweep second
11AFCD: manual wind, sweep second, date
11AFD: manual wind, sub second, date
11AFF: manual, wind no second
11AFFA: automatic, no second
11.5''', ring balance:
11AL: manual wind, sub second
11ALA: automatic, sub second
11ALAC: automatic, sweep second
11ALACD: automatic, sweep second, date
11ALC: manual wind, sweep second
11ALCD: manual wind, sweep second, date
11ALD: manual wind, sub second, date
11ALL: manual, no second
11ALLA: automatic, no second
Likely not all feasable variants were actually were produced. Here only actually existing are listed, probably not all.

Example, year: signature; shock device
1960: M0, Bulova-U.S.A., 6 Adjustments, Heat- Cold- Isochronism- 3 Positions, 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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