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|Dugena 637 (Unitas 6365)|
8.75''', Dm= 19.4mm, Do= 19.7mm
f = 21600 A/h
power reserve 43h
Balance staff U2618
Mainspring / battery
Zf1187, 1.50 x 7.5 x 0.08 x 245mm
1.20 x 0.60 / 0.18mm
Comments about the data
differences not known between 637, 3901
636, 3900: date
637, 3901: -
Example, year: signature; shock device
ca. 1960: Nivada, Swiss, 17 Jewels - MK; Incabloc
(Unitas 6360, 18000 A/h)
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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