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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Alpina 233 (Favor 14)

Features
stem wind and set
sub second

Data
18''', Dm= 40.6mm, Do= 41.7mm
H= 4.8mm
(regulator +0.3mm)
F= 0.4mm
T= 2.2mm
15 jewels
f = 18000 A/h
power reserve 38h

Balance staff U402

Stem W289

Mainspring / battery
Zf3323, 1.80 x 16.0 x 0.20 x 460mm

Hands
1.75 x 1.05 / 0.25mm

Comments about the data

Remarks
open face calibre
monometallic screw balance
Breguet hairspring
different bridge shapes (cf. Favor 14)

family:
231: open face, 7 jewels
234: hunter, 7 jewels
233: open face, 15 jewels
234: hunter, 15 jewels

Example, year: signature; shock device
ca. 1940: Alpina 233 - Z

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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