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View picture in original size
Fig. 1

View picture in original size
Fig. 2

Alpina 870 (AS 1012)

Features
manual wind

Data
5.75 x 6.75''', Dm= 13.0 x 15.15mm
Do= 13.0 x 15.55mm
H= 3.5mm
F= 0.6mm
T= 1.7mm
17 jewels
f = 18000 A/h
power reserve 44h

Balance staff according hairspring collet
screw balance:
U2437: 0.4mm
U1422: 0.45mm
U1181: 0.5mm
ring balance:
U3091: 0.45mm

Stem W2641

Mainspring / battery
Zf994, 1.40 x 6.0 x 0.06 x 210mm

Hands
1.00 x 0.55mm

Comments about the data

Remarks
1936-1960

Example, year: signature; shock device
ca. 1955: AS 1012, Dugena 870 - DWO; Incabloc
(Dugena 870)

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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