|Index||Timepiece Archive, Categories||Archive: Watch Movements||Timepiece Market|
|At. Brossard 18'''|
key wind and set
18''', Dm= 40.05mm, Do= 40.85mm
f = 18000 A/h
power reserve 30h
Stem key 1.40˛mm
Mainspring / battery
Zf3554, 2.10 x 15.0 x 0.19 x 430mm
1.75 x 0.60 / 0.22mm
Comments about the data
layout Lepine-Calibre V
straight lever (ligne angulaire) with hidden pallets
single roller, impuls jewel still with elliptical cross section (Fig.3) and not as later with D-shape cross section
flying barrel with Geneva stopwork
The last two letters of the case signature are a bit uncertain, but likely the movement was finished by Albert Brossard.
Example, year: signature; shock device
ca. 1860: - 5221, P
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|
...the alternative - free of charge!