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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

Eterna 1453U

Features
automatic
sweep second
date: quickset by repeated pulling the crown

Data
13.5''', Dm= 30.0mm, Do= 30.4mm
H= 4.9mm
F= 1.6mm
T= 1.9mm
21 jewels
f = 18000 A/h
power reserve 47h

Balance staff U2829

Stem W2618

Mainspring / battery
1.10 x 11.0 x 0.11mm

Hands
1.50 x 0.90 x 0.21mm

Comments about the data

Remarks
1962-
option: crank regulator (Fig.4)

family:
1427: 11.5''', automatic
1428: 12.5''', automatic
1429: 13 ''' , automatic
1431: 11.5''', manual wind
1432: 12.5''', manual wind
1433: 13 ''' , manual wind
1438: 12.5''', automatic, date
1439: 13 ''' , automatic, date
1453: 12.5''', automatic, date
suffix B: no second

Example, year: signature; shock device
1961: 5106944, Eterna-Matic, Brevete, 21 Rubis; Eterna-U
(Eterna 1439U, 13''')

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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