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View picture in original size
Fig. 1

View picture in original size
Fig. 2

ETA 1139

manual wind
sub second

13''', Dm= 29.0mm, Do= 29.4mm
H= 3.5mm
F= 0.8mm
15/17 jewels
f = 18000 A/h
power reserve 43h

Balance staff U1423

Stem W1130

Mainspring / battery
Zf1246, 1.50 x 10.5 x 0.13 x 300mm

1.50 x 0.80 / 0.21mm

Comments about the data

like 1138, just bigger base plate
signature on dial side often or always 1120
differences not known between 1121, 1123, 1125, 1127, 1129, 1131, 1133, 1139, 1289

Example, year: signature; shock device
ca. 1950: Eska Watch Co, Swiss, 17 Jewels - ETA 1120; Incabloc
(ETA 1121)

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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