|Index||Timepiece Archive, Categories||Archive: Watch Movements||Timepiece Market|
stem wind and set
18.5''', Dm= 41.6mm, Do= 42.25mm
f = 18000 A/h
power reserve 37h
Balance staff Ronda 4131
Mainspring / battery
Zf3554, 2.10 x 15.0 x 0.19 x 430mm
1.75 x 1.05 / 0.27mm
Comments about the data
bimetallic screw balance with 4 adjustment screws
10: open face
not all parts interchangable between both variants
Example, year: signature; shock device
ca. 1915: Drusus
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!