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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Alpina 420 (Perfecta 19''')

Features
stem wind and set
sub second

Data
19''', Dm= 42mm
H= 6.3mm
15 jewels
f = 18000 A/h
power reserve 32h

Balance staff U309

Stem W1585

Hands
1.90 x 1.30 / 0.30mm

Comments about the data

Remarks
open-face- or hunter calibre
bimetallic screw balance, Breguet hairspring

Example, year: signature; shock device
ca. 1920: UH (Union Horlogere) - 1893 9
(Perfecta 19''', hunter)

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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