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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

AS 1012

Features
manual wind

Data
5.75 x 6.75''', Dm= 13.05 x 15.15mm
Do= 13.05 x 15.55mm
H= 3.5mm
F= 0.6mm
T= 1.7mm
17/21 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 W1166, 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, <16.000.000

family/generations:
18000 A/h:
1012: -
1582: minor modifications
21600 A/h:
1677, 1719: -
1777: short plate edges round
1977: stronger mainspring, regulator new
1977-2: balance and barrel new
1977-2, 1978-2: winding gear new
1977-4: balance cock and regulator new
1977-5: click simplified

Example, year: signature; shock device
1-2) ca. 1950: - ; Incabloc (21 jewels)
2-3) ca. 1960: Swiss, 17 Jewels; Incabloc

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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