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|LeCoultre 31, 19'''|
stem wind and pin set
19''', Dn= 42.86mm
f = 18000 A/h
power reserve 36h
Comments about the data
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.
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