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View picture in original size
Fig. 1

Berthoud 22'''H12.5

quarter repeater
key wind and set, fusee/chain

22''', Dm= 50mm
H= 12.5mm
0 jewels
f = 17280 A/h
power reserve 34h

Stem key 1.2˛mm

Comments about the data

verge escapement
repeater: pendant operated, 2 hammers on spiral gongs, hook-lever regulator
slide for disabling the repeater

Example, year: signature; shock device
ca. 1810: 3562, Berthoud a Paris
(on dust cover)

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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