Lorsa 8F

 
Lorsa 8F | 17jewels.info - The Movement Archive

Lorsa 8F

Description

The french caliber Lorsa 8F is a common ladies' form movement. The almost regular triangle of the three gears and rubies is remarkable.

For shock protection, it uses an different shock protection systems (Antichoc, Novodiac).

Lorsa 8F: version with novodiac shock protection

version with novodiac shock protection

Lorsa 8F: Lorsa 8F dial side

Lorsa 8F dial side

Lorsa 8F: dial side of the Novodiac version

dial side of the Novodiac version

Technical data

Manufacturer:Lorsa
Caliber:8F
Size:6 3/4 x 8''' (measured: 15,15 x 17,8mm)
A/h:21600
Number of jewels:17
Escapement:Pallet lever
Balance types: Nickel anular balance
Shock protection(s): Antichoc S65
Novodiac
Balance bearing / direction hairspring:Counterclockwise
Moveable stud:yes
Adjust mechanism:Hairspring key
Construction:
  • lever
  • escape wheel, seconds wheel, third wheel, center minute wheel
  • mainspring barrel
Winding mechanism:yoke winding system
Setting lever spring:5 hole(s)
References: Flume: K3 87

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