|Index||Timepiece Archive, Categories||Archive: Watch Movements||Timepiece Market|
stem wind and set
option: hack feature
18.5''', Dm= 41.9mm, Do= 42.7mm
f = 18000 A/h
power reserve 32h
Balance staff U410
Mainspring / battery
Zf3509, 2.00 x 17.0 x 0.21 x 500mm
1.82 x 1.15 x 0.27mm
Comments about the data
open face calibre
option: Breguet hairspring
option: hack feature (Fig.3-4)
old designation disregarding the grade:
47: old click with integrated spring
47G: new click with separate spring, since ca. No.20000
new designation indicating the grade, since ca. No.93000:
47a: 7 jewels, flat hairspring
47b: 15 jewels, flat hairspring
47c: 15 jewels, Breguet hairspring
47d: 15 jewels, Breguet hairspring, bimetallic balance
47e: 15 jewels, flat hairspring, without second, for blind persons watches
suffix /1: separate escape-wheel cock
The "G" for the new click appears also together with the new designation up to ca, No.106000.
Example, year: signature; shock device
1-2) ca. 1930: 091203, Alpina 211, G - 8465
(Alpina 211, Junghans 47/1G)
3-4) ZentRa 62 = Junghans 47/1G
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!