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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Bulova 11AERC

manual-wind alarm
sweep second

11.5''', Dm= 25.6mm
H= 5.75mm
17 jewels
f = 18000 A/h
Gangreserve 41h/57h
(alarm on/off)
alarm 15s

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

Operating Instruction:
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.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft

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