Pink Pages
for Timepieces
All Items
Ranfft Items
Brand Shops
Commit an Item
How to do right
Condition of Watches
About Watches
  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

LeCoultre 31, 19'''

minute repeater
stem wind and pin set
sub second

19''', Dn= 42.86mm
H= 7.0mm
29 jewels
f = 18000 A/h
power reserve 36h

Comments about the data

hunter calibre
bimetallic screw balance, Breguet hairspring
option: pink gold train (example movement)
wolf-tooth winding wheels
barrel with Geneva stopwork
repeater: slide operated, 2 hammers on spiral gongs, hook-lever regulator
produced in the sizes 19 und 20'''
choice between straight and curved bridges
For early LeCoultre calibres the number only indicates the basic design. They were made in varying layouts (e.g. open face, hunter) and/or different sizes.

Example, year: signature; shock device
ca. 1880: Henri Melly, Paris

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
phone +49 (0)4423 9849691

email: info@ranfft.de