Felsa 90

 
Felsa 90

Felsa 90

Description

The Felsa 90 described here is one of the latest cylinder movements of a ladies’ watch and was probably made in the 1940ies or even 1950ies. Its measured size is 19.6 x 12.6 x 4mm (= 8 34 x 5 12 lignes, although it was listed in the Flume K1 with 5 14 lignes) and it contains 10 jewels.

minimally modified version

minimally modified version

As you can see on the details, this movement was a bit reworked during the production time frame.

Felsa 90 dial side

Felsa 90 dial side

dial side, different version

dial side, different version

Technical data

Manufacturer:Felsa
Caliber:90
Number of jewels:10
Escapement:Cylinder
Balance types: Nickel anular balance
Shock protection(s): none
Balance bearing / direction hairspring:Counterclockwise
Moveable stud:no
Adjust mechanism:Long regulator arm
Construction:
  • escape wheel
  • seconds wheel, third wheel, center minute wheel
  • mainspring barrel
Winding mechanism:rocking bar winding system
Setting lever spring:3 hole(s)
Functions:hour, minute
A/h:18000
Size:5 1/4''' (measured: 19,6 x 12,6mm)
Literature: Flume: 1947 46

Usage gallery

Ecly ladies' watch

Ecly ladies' watch

Ormo ladies' watch

Ormo ladies' watch

Kasta ladies' watch  (dial only)

Kasta ladies' watch (dial only)

Gam ladies' watch

Gam ladies' watch

Links