> Movements> B> Bifora> Bifora 84/1

Bifora 84/1

 
Bifora 84/1 |

Bifora 84/1

Description

The Bifora 84/1 is an early german pallet anchor movement, made in Schwäbisch Gmünd in the watch factory of Joseph Bidlingmaier..

This movement is classical in all aspects - not only from the craftsmanship with the slanted briges and their angled borders, but also of its construction:

The non shock-protected screw balance has got its hairspring connected to the balance cock. Its effective length can be regulated by a long regulator arm. With the pallet lever escapement and all gears beared in jewels, a good precision is guaranteed.

Bifora 84/1: Bifora 84/1 dial side

Bifora 84/1 dial side

On the dial side, there’s a yoke winding system. On later movements, Bifora often uses a rocking bar winding system, maybe due to cost reduction.

Technical data

Manufacturer:Bifora
Caliber:84/1
Size:8 3/4''' (measured: 19,2mm)
A/h:18000
Number of jewels:15
Escapement:Pallet lever
Balance types:Nickel screw balance
Shock protection(s):none
Balance bearing / direction hairspring:Clockwise
Moveable stud:no
Adjust mechanism:Long regulator arm
Construction:
  • lever
  • escape wheel, seconds wheel, third wheel, center minute wheel
  • mainspring barrel
Winding mechanism:yoke winding system
Setting lever spring:3 holes
Features:
  • s (decentral seconds)
Production years:1918 - 1934
References:Flume: 1947 21
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.

Other movements from Bifora