|Index||Timepiece Archive, Categories||Archive: Watch Movements||Timepiece Market|
|Alpina 890 (Minerva 20)|
manual-wind chronograph, 60s, 30min, pillar wheel
13''', Dm= 28.8mm
f = 18000 A/h
Balance staff U1440
Mainspring / battery
Zf1250, 1.50 x 11.5 x 0.13 x 360mm
1.80 x 1.15mm
Comments about the data
like Minerva 13-20 with modified balance cock
Example, year: signature; shock device
ca. 1940: 13-20
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!