HomeRanfft
Watches
Pink Pages
for Timepieces
.
Home
All Items
Ranfft Items
Brand Shops
Commit an Item
How to do right
Condition of Watches
About Watches
Links
  Help   Log In  Register, Clients   Deutsch  English  EUR  US$  CHF  UKŁ 
 
 
 Index  Timepiece Archive, Categories  Archive: Watch Movements    Timepiece Market 
 
View picture in original size
Fig. 1

View picture in original size
Fig. 2

Alpina 181 (Venus 70a)

Features
stem wind and pin set
sub second

Data
18''', Dm= 40.2mm, Do= 40.9mm
H= 5.6mm
F= 0.7mm
T= 2.65mm
10 jewels
f = 18000 A/h
power-reserve 47h

Balance staff Cyl. 0.97 x 5.15 x 1.10mm

Stem W258

Mainspring / battery
Zf3420, 1.90 x 17.0 x 0.18 x 580mm

Hands
1.90 x 1.00 / 0.25mm

Comments about the data

Remarks
open face calibre
cylinder escapement
An Alpina list contains as Alpina 161 a ladies wrist-watch calibre, based on the Marc Favre 161.
differences not known between 161, 181, 3479

Example, year: signature; shock device
ca. 1910: Alpina 161
(Alpina 161)

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


bidfun home
...the alternative - free of charge!
Dr. Roland Ranfft
Erkelenzer Str. 98
41844 Wegberg
Germany
phone +49 (0)1575 2840629

email: info@ranfft.de
.