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Fig. 1

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Fig. 2

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Fig. 3

Denis Brothers 19.5'''H8.4

stem wind and pin set, fusee/chain
additional key wind and set
sweep second
power reserve display 30h
hack feature with slide

19.5''', Dm= 43.6mm
H= 8.4mm
19 jewels
f = 16200 A/h
power reserve 30h

Stem key 1.2˛mm

2.50 x 1.75 x 0.30 / 0.50mm

Comments about the data

early stem wind after Adolphe Nicole
English lever escapement
bimetallic screw balance, Breguet hairspring
fusee with spring to maintain power during winding
diamond cap
usually not before 1945: direct sweep second
usually not before 1960: indirect minute

Example, year: signature; shock device
1869: 28193, Denis Brothers, Melbourne

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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