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

View picture in original size
Fig. 3

View picture in original size
Fig. 4

View picture in original size
Fig. 5

Index Mobile

Features
manual-wind chronograph rattrapante, 60s, 30min, cam switched
split second: crown pusher
sub second

Data
13.75''', Dm= 31mm
H= 6.6mm
F= 0.6mm
T= 1.6mm
17 jewels
f = 18000 A/h
power reserve 41h

Balance staff U1457 / U3137
balance with/without screws

Stem W1158

Mainspring / battery
Zf978, 1.35 x 12.0 x 0.14 x 360mm

Hands
1.85 x 1.30 x 0.60 x 0.20 / 0.27 x 0.20mm

Comments about the data

Remarks
1946-1960
Landeron 48, 51, 148, 151, or 248 with additional patented split-second feature from Dubey & Schaldenbrand, both second hands are coupled by a hair spring in fromt of the dial
jubilee edition 1996: numbered, engraved Landeron 185 (day, date, month), 100x steel-, 50x gold case

Example, year: signature; shock device
1-3) ca. 1950: (Landeron 148)
4) ca. 1950: Swiss (Landeron 51)
5) ca. 1950: Swiss (Landeron 151)

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
Poststr. 32a
26388 Wilhelmshaven
Germany
phone +49 (0)4423 9849691

email: info@ranfft.de
.