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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Baumgartner 222 neu

stem wind and set alarm
sub second

19''', Dm= 43.15mm, Do= 43.95
related to riveted 1mm dial rests:
H= 9.6mm
(hands gear +0.5mm)
F= 1.6mm
T= 4.7mm
0/1/4/7 jewels
f = 17280 A/h
Gangreserve 37h/51h
(alarm on/off)
alarm 15s

Balance staff U1144 / U2596
pulse finger/pin

Stem W1667

Mainspring / battery
2.10 x 21.5 x 0.22mm

3.72 x 2.21 x 1.59 / 0.32mm

Comments about the data

open face calibre
pin-lever escapement
indirect minute, hand friction clutch on barrel (Roskopf type)
watch and alarm driven by a single barrel

Swiss Patent 227383:
filed 09-07-1942, Baumgartner Frères S.A. (CH)
alarm movement with only a single barrel

220: impulse finger
220 new: impulse finger or pin, detail modifications

Example, year: signature; shock device
ca. 1945: Basis Watch, Swiss Made, Brevet +227383, 7 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

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