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|Alpina 245 (Junghans J33)|
stem wind and set
18.5''', Dm= 41.4mm, Do= 42.0mm
f = 18000 A/h
power reserve 40h
Balance staff U418
Mainspring / battery
Zf3641, 2.20 x 16.0 x 0.20 x 460mm
1.85 x 1.15 / 0.25mm
Comments about the data
open face calibre
until now only noticed difference between 215 and 245: different alignment-pin diameters
205: 7 Jewels, thick alignment pins
215: 15 Jewels, thick alignment pins
245: 15 Jewels, thin alignment pins
Example, year: signature; shock device
ca. 1920: Alpina - 3446
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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