podría ser este el calibre ?. Las dos imágenes primeras son de Ranfft. la tarcera y cuarta es del interesado.
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[SIZE=+1]
LeCoultre 1, 14'''[/SIZE]
Features
stem wind and pin set
sub second
Data
14''', Do= 32mm
H= 4.8mm
17 jewels
f = 18000 A/h
Remarks
open-face- or hunter calibre
often named revolver calibre
bimetallic screw balance, Breguet hairspring
mostly winding gears with wolf teeth
barrel with Geneva stopwork
produced in sizes from 6 to 19'''
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. 1890: - 5118934