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Fig. 1

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Fig. 2

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Fig. 3

Dugena 2120 (Durowe 7522/2)

sweep second
date: set by changing 20:30-24h

11.5''', Dm= 25.6mm, Do= 26.0mm
H= 5.3mm
F= 1.1mm
T= 1.9mm
25 jewels
f = 21600 A/h
power reserve 38h

Balance staff U3224

Stem W3278

Mainspring / battery
1.30 x 9.5 x 0.105mm

1.50 x 0.90 x 0.21mm

Comments about the data


10.5''' manual wind:
2108: -
2109: 24h hand
2110: date
11.5''' manual/automatic respectively:
2111/2118: -
2112/2119: 24h hand
2113/2120: date
2114/2121: day, date
2115/2122: minute stop feature
2116/2123: date quickset
2117/2124: day, date quickset
2126/2128: day at 9h, date quickset

Example, year: signature; shock device
ca. 1975: Int. 7522/2, Duromat, 21 Jewels; Rufa-Anti-Shock
(Durowe 7522/2)

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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