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Bifora 934 SCI / Dugena 704

 
Bifora 934 SCI / Dugena 704 |

Bifora 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

Manufacturer:Bifora
Caliber:934 SCI
Size:9 3/4'''
A/h:18000
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
Construction:
  • 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 holes
Features:
  • SCI (indirect center seconds)
Production years:1946 - 1958
References:Flume: 1958 b.35
Hint: The jewel count, the types of balances used, and the shock protections employed refer only to the specimens held in the archive and are therefore not relevant for the precise identification of the movement.

Usage gallery

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

Dugena Jongster mens' watch

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