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View picture in original size
Fig. 1

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Fig. 2

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Fig. 3

View picture in original size
Fig. 4

Alpina 221 (Junghans 47/1G)

Features
stem wind and set
sub second
hack feature

Data
18.5''', Dm= 41.9mm, Do= 42.7mm
H= 5.25mm
F= 0.7mm
T= 2.4mm
15 jewels
f = 18000 A/h
power reserve 32h

Balance staff U410

Stem W294

Mainspring / battery
Zf3509, 2.00 x 17.0 x 0.21 x 500mm

Hands
1.82 x 1.15 x 0.27mm

Comments about the data

Remarks
open face calibre
suffix G (from Junghans): new click with separate spring
differences not known between 211 with hack feature (Fig.3, 4) and 221

family:
209: 7 jewels
211: 15 jewels, option: hack feature
221: 15 jewels, hack feature

Example, year: signature; shock device
1-2) ca. 1930: 091203, Alpina 211, G - 8465
(Alpina 211)
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


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