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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

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Fig. 5

4003 anonymous

Features
quarter repeater
key wind and set
sub second

Data
23''', Dm= 51.6mm, Do= 52.2mm
H= 6.9mm
F= 1.0mm
8 jewels
f = 18000 A/h
power-reserve 30h

Stem key 1.35mm

Hands
2.35 x 0.86 / 0.25mm

Comments about the data

Remarks
open face calibre
movement type: Lepine-Calibre I
cylinder escapement
white-gold ring balance
parachute shock protection and bimetallic temperature compensation after Breguet (Fig.3)
flying barrel with Geneva stopwork
repeater: pendant operated, chain driven, 2 hammers on spiral gongs, hook-lever regulator

Example, year: signature; shock device
ca. 1800: - 186
on case: 18K 3535 EP 186 - No 2, 186, Le Cylindre et Six Trous en Rubis (cap jewels not counted back then), Compensateur et Parachute

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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