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View picture in original size
Fig. 1

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Fig. 2

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Fig. 3

Buren 04

Features
automatic

Data
7.75''', Dm= 17.2mm, Do= 17.5mm
H= 4.0mm
F= 0.9mm
T= 1.5mm
17/30 jewels
f = 216000 A/h
power reserve 39h

Balance staff U3253

Stem W3211

Mainspring / battery
Zf328, 1.00 x 7.0 x 0.08 x 220mm

Hands
1.10 x 0.60mm

Comments about the data

Remarks
detached manual wind
selfwinding gear with direction switching by a pinion floating between two huge jewels (cf. Buren 1280)
ratchet on dial side, crown mechanism with rocker bar

family:
04 : -
06: date

Example, year: signature; shock device
ca. 1965: Hamilton, Cal. 04, Swiss, 30 Jewels; Kif-Ultraflex
(Hamilton 04)

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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