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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Bulova 11AOAC

sweep second

11.5''', Dm= 25.6mm, Do= 26.0mm
H= 4.55mm
F= 1.1mm
T= 1.8mm
17/23 jewels
f = 21600 A/h
power reserve 40h

Balance staff U3430

Stem Bulova 10AO

Mainspring / battery
1.10 x 11.0 x 0.11mm

1.40 x 0.85 x 0.20mm

Comments about the data

last calibre family from Bulova
indirectly driven minute allows a relatively big balance and low profile

11AN: manual, no second
11ANAC: auto, sweep second
11ANACB: auto, sweep second, day, date
11ANACD: auto, sweep second, date
11ANC: manual, sweep second
11ANCB: manual, sweep second, day, date
11ANCD: manual, sweep second, date
quickset date:
11AO: manual, no second
11AOAC: auto, sweep second
11AOACB: auto, sweep second, day, date
11AOACD: auto, sweep second, date
11AOC: manual, sweep second
11AOCB: manual, sweep second, day, date
11AOCD: manual, sweep second, date

Example, year: signature; shock device
1978: Bulova Watch Co, 11AOACD, Swiss, 23 Jewels; Kif-Ultraflex
(Bulova 11AOACD)

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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