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Fig. 1

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Fig. 2

Alpina 681 (AS 1187)

Features
manual wind
sweep second

Data
10.5''', Dm= 23.3mm, Do= 23.7mm
H= 4.9mm
F= 1.1mm
15 jewels
f = 18000 A/h
power reserve 43h

Balance staff U2438 / U1412
collet 0,50 / 0,61mm

Stem W1131

Mainspring / battery
Zf1309, 1.60 x 9.0 x 0.10 x 290mm

Hands
1.30 x 0.85 x 0.22mm

Comments about the data

Remarks
brand: Terval

Example, year: signature; shock device
ca. 1950: - BG; Incabloc
(AS 1187)

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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