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Fig. 1

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Fig. 2

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Fig. 3

Bulova 6BPA (AS 1533)

Features
automatic

Data
6.75 x 7.5''', Dm= 15.3 x 16.7mm
Do= 15.3 x 17.0mm
H= 5.25mm
F= 0.85mm
T= 1.6mm
17/21/25 jewels
f = 18000 A/h
power reserve 38h

Balance staff U3328

Stem W3340

Mainspring / battery
1.50 x 6.0 x 0.06mm

Hands
1.05 x 0.55mm

Comments about the data

Remarks
winding gear from beryllium bronze
balance, stem, barrel, and some details from Bulova

Example, year: signature; shock device
1954: L4, BXW, Bulova Watch Co, 6BPA, 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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