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Fig. 3

Eterna 1324U

Features
automatic
sweep second

Data
10.5''', Dm= 23.3mm, Do= 23.7mm
H= 5.5mm
(ball bearing +0.1mm)
F= 1.0mm
T= 1.55mm
17 jewels
f = 18000 A/h
power reserve 39h

Balance staff U2021

Stem W2201

Mainspring / battery
1.30 x 8.0 x 0.08mm

Hands
1.30 x 0.80 x 0.20mm

Comments about the data

Remarks
1953-
equivalent ETA family 1306-1320 without ball bearing

family/generations:
fixed stud carrier:
1319: 9.25'''
1321: 10.5'''
mobile stud carrier:
1323: 9.25'''
1324: 10.5'''
It is unknown whether both generations were made with T- and U shock protection; here only the known variants are listed.

Example, year: signature; shock device
1956: 4142005, Eterna-Matic, Brevete; Eterna-U
(Eterna 1323U, 9.25''')

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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