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View picture in original size
Fig. 1

LeCoultre 31, 19'''

Features
minute repeater
stem wind and pin set
sub second

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

Comments about the data

Remarks
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


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