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Fig. 1

View picture in original size
Fig. 2

Dugena 2305 (Förster 224)

sweep second
day: separate aperture
date: quickset by repeated pulling the crown

11.5''', Dm= 25.6mm, Do= 26.0mm
25 jewels
f = 21600 A/h
power reserve 38h

Balance staff U3259

Stem W3217

Mainspring / battery
1.10 x 10.0 x 0.13 x 300mm

1.50 x 0.90 x 0.21mm

Comments about the data

detached manual wind
indirectly driven minute allows a relatively big balance and low profile
Type VS: single-part 0.6mm higher rotor
(else rotor with pressed in sinter-metal weight)

2301, 1109: manual wind
2302, 1185: manual wind, date
2303, 1091: automatic
2304, 1092: automatic, date
2305: automatic, day/date separate apertures
2306: automatic, one aperture
2311: automatic, digital
2312: automatic, date, digital
2314: manual wind, digital
2315: manual wind, date, digital

Example, year: signature; shock device
ca. 1975: BF9, FB, Patented, 25 Jewels; Incabloc
(Förster 222)

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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