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Fig. 1

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Fig. 2

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Fig. 3

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Fig. 4

Dugena 985 (ETA 2390, 2404)

manual wind
sweep second

10.5''', Dm= 23.3mm, Do= 23.7mm
H= 3.6mm
F= 1.2mm
T= 1.85mm
17/21 jewels
f = 18000 A/h
power reserve 47h

Balance staff U2226 / U3136
for balance with/without screws

Stem W2426, W3226

Mainspring / battery
Zf873, 1.30 x 10.0 x 0.11 x 320mm

1.50 x 0.90 x 0.21mm

Comments about the data

early fixed (Fig.1), later mobile stud carrier (Fig.3)

985: manual wind, 10.5'''
986: manual wind, date
1007: automatic
1008: automatic, date

Example, year: signature; shock device
1-2) ca. 1955: ETA 2390, Dugena 985 - Patented, DBJ (BJ in D); Incabloc
3-4) ca. 1965: ETA 2390, Swiss, 21 Jewels - Patented, UT; Incabloc
(ETA 2390)

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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