Pink Pages
for Timepieces
All Items
Ranfft Items
Brand Shops
Commit an Item
How to do right
Condition of Watches
About Watches
  Help   Log In  Register, Clients   Deutsch  English  EUR  US$  CHF  UKŁ 
 Index  Timepiece Archive, Categories  Archive: Watch Movements    Timepiece Market 
View picture in original size
Fig. 1

View picture in original size
Fig. 2

View picture in original size
Fig. 3

Bulova 8AH (ETA 1000)

manual wind
sub second

8 x 9''', Dm=Do= 18.55 x 20.85mm
corners with rests rounded for
9.75''', Dm= 21.7mm, Do= 22.2mm
H= 3.25mm
F= 1.2mm
T= 1.5mm
17/21 jewels
f = 18000 A/h
power reserve 43h

Balance staff U1782

Stem W1052

Mainspring / battery
Zf761, 1.25 x 8.5 x 0.10 x 250mm

1.24 x 0.60 / 0.17mm

Comments about the data

Breguet hairspring
balance system from Bulova

8AH: Breguet hairspring
new setting works:
8AD: Breguet hairspring
8BA: flat hairspring

Example, year: signature; shock device
1-2) 1947: 18, 47, BXW, Bulova Watch Co, Swiss, 17 Jewels
3) 1947: 47, Bulova Watch Co, Swiss, Adjusted, 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

bidfun home
...the alternative - free of charge!
Dr. Roland Ranfft
Erkelenzer Str. 98
41844 Wegberg
phone +49 (0)2434 6034670

email: info@ranfft.de