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|Dugena 556 (Felsa 4122)|
option: sub second
7.75''', Dm= 17.2mm, Do= 17.5mm
f = 21600 A/h
power reserve 43h
Balance staff U2951 / U2517
balance collet 0.7/0.75mm
Mainspring / battery
1.25 x 6.5 x 0.07mm
1.20 x 0.60mm
Comments about the data
designation 556 applied for two different calibres
Girocap combined setting for escapement wheel
uncertain, whether the against the Felsa 4122 modified parts of the Alpina 556 were used
Example, year: signature; shock device
ca. 1965: 816, Alpina 556, Swiss, 17 Jewels; Incabloc
© V05 G00 B01 U12 K01 A01 A10 A12 A14 L00 W02 D01 H00 F00 F01
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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