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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Buser 40

Features
stem wind and set
sub second

Data
16''', Dm= 35.1mm, Do= 36.0mm
H= 5.1mm
F= 1.0mm
T= 2.5mm
7/15 jewels
f = 18000 A/h
power-reserve 34h

Balance staff U950

Stem W1448

Mainspring / battery
1.65 x 14.4 x 0.17mm

Hands
1.40 x 0.60 / 0.24mm

Comments about the data

Remarks
open face calibre
unusual: crown mechanism with rocker bar between plates

family:
40: -
41: separate escape-wheel cock

Example, year: signature; shock device
ca. 1950: Buser 40, Swiss Made

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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