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|Dugena 1321 (Buren 1321)|
date: set by changing 23-24h
12.5''', Dm= 28.15mm, Do= 28.5mm
f = 19800 A/h
power reserve 54h
Balance staff U3085
Mainspring / battery
1.0 x 9.5 x 0.10mm
1.40 x 0.80 x 0.18mm
Comments about the data
micro rotor, double jewel bearing if 30 jewels
double excenter regulator for curb pins and stud carrier
selfwinding gear with direction switching by a pinion floating between two huge jewels (Fig.4)
indirectly driven minute and second allow a low profile
(details cf. Dugena 1320)
1280: only hour, minute
1281: date for flat dial
1282: date for domed dial
1321: second, date for flat dial
1322: second, date for domed dial
modifications of base plate, date:
3204: date for flat dial
3206: second, date for flat dial
The assignment of flat/domed dial is based on few investigated Buren watches. Possibly Buren didn't sign carefully, since the Flume K3 mentions it vice versa.
Example, year: signature; shock device
1967: SX, F, M7, Bulova Watch Co, 12ECACD, Swiss, 30 Jewels; Incabloc
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.
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