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Fig. 2

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Fig. 3

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Fig. 4

ETA 980

manual wind
sub second

8.75''', Dm= 19.4mm, Do= 19.7mm
H= 2.95mm
F= 1.1mm
T= 1.5mm
17 jewels
f = 18000 A/h
power reserve 38h

Balance staff U1583

Stem W660

Mainspring / battery
Zf570, 1.15 x 7.5 x 0.09 x 220mm

1.20 x 0.60 / 0.18mm

Comments about the data

differences not known between 979...983, 986...988, 1026, 1027, 1059

979...983, 986...988, 1026, 1027, 1059: sub second
984, 989: sweep second

Example, year: signature; shock device
1-2) ca. 1950: Swiss Made, 17 Jewels - UK
3-4) ca. 1945: 17 Rubis - ETA 980

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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