Bifora 934 SCI / Dugena 704

Bifora 934 SCI / Dugena 704 | - The Movement Archive

Bifora 934 SCI / Dugena 704


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

Caliber:934 SCI
Size:9 3/4'''
Number of jewels:7/17
Escapement:Pallet lever
Balance types: Nickel anular balance
Shock protection(s): Bidlingmaier (Bifora)
Balance bearing / direction hairspring:Clockwise
Moveable stud:no
Adjust mechanism:Long regulator arm
  • lever
  • escape wheel, seconds wheel, third wheel, center minute wheel
  • center second pinion
  • mainspring barrel
Construction type:pillar construction
Winding mechanism:rocking bar winding system
Setting lever spring:5 hole(s)
  • SCI (indirect center seconds)
Production period:1946 - 1958
References: Flume: 1958 b.35
Production years:1946-1958

Usage gallery

Bifora 934 SCI / Dugena 704: Dugena Jongster mens' watch

Dugena Jongster mens' watch