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Fig. 1

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Fig. 2

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Fig. 3

Eterna 1446U

Features
automatic

Data
8.25''', Dm= 18.3mm
H= 4.15mm
21 jewels
f = 21600 A/h
power reserve 42h

Balance staff U2831

Stem W2831

Mainspring / battery
1.20 x 7.5 x 0.085mm

Hands
1.20 x 0.60mm

Comments about the data

Remarks
1962-
strange: indirectly driven minute allows a relatively big balance and low profile
family:
1435: 7.75''', manual wind
1445: 7.75''', automatic
1446: 8.25''', automatic

Example, year: signature; shock device
1964: 5241716, Eterna-Matic, Brevete, 21 Rubis; Eterna-U

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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