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Bifora 934 SCI / Dugena 704

 

Bifora 934 SCI / Dugena 704Bifora 934 SCI / Dugena 704

Description

The Bifora caliber 934 (SCI), from Dugena also called Dugena 704, is a pallet anchor lever movement with seventeen jewels, indirect driven center second hand and a rocking bar winding mechanism below the dial.

The balance is beared in a Bishock shock protection system, and the rate can be regulated by a long regulation hand on the balance cock.

 

 Technical data

ManufacturerBifora
Caliber934 SCI
Number of jewels7/17
EscapementAnchor with pallets
BalanceNickel
Shock protection(s)Bidlingmaier (Bifora)
Balance cock directionclockwise
Hairspring studfixed
Regulator typeLong regulator arm
Movement constructionFork
Escapement wheel, Fourth wheel, Third wheel, Center wheel
Center second pinion
Mainspring barrel
Construction typepillar construction
Bridge shapeAxe, 4 gears
Winding mechanismRocking bar
Setting lever spring5 holes
FeaturesSCI
FunctionsHour, minute, second
Beats per hour18000
Size93/4'''
Production time1946 - 1958
Image in Flume Werksucher 1958 b.35
Bifora 934 SCIBiforaBifora934 SCI1946 - 19589 3/4''''''Bifora 934 SCI7/17 Jewels, 9 3/4'''''', 18000 A/h, SCI
Factsheet

 

Usage gallery

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