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

AS 1656

Features
automatic
sweep second

Data
11.5''', Dm= 25.6mm, Do= 26.0mm
H= 4.3mm
F= 1.0mm
T= 1.7mm
17/25 jewels
f = 18000 A/h
power reserve 40h

Balance staff U2645 / U3139
for balance with/without screws

Stem W2827

Mainspring / battery
Zf674, 1.20 x 9.0 x 0.10 x 290mm

Hands
1.50 x 0.90 x 0.20mm

Comments about the data

Remarks
1955-1963
rotor placed out of center
The winding gear is integrated in the movement, instead of attaching it to a manual-wind calibre as usual. This led to a sensationally thin movement at that time.
detached manual wind

family:
bronze-bearing rotor:
1656: 11.5''', flat
1673: 11.5''', height like date version
1674: 11.5''', date
1675: 13''', flat
1678: 13''', date
ball-bearing rotor:
1695: 11.5''', flat
1739: 11.5''', height like date version
1740: 11.5''', date

Example, year: signature; shock device
ca. 1955: Swiss; Incabloc
(AS 1673)

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)2434 6034670

email: info@ranfft.de
.