FEF 250

 
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FEF 250

Description

This is a typical midsize-caliber of classical construction, probably from the 1940ies.
It does not yet have a shock protection for the screw balance, and on position “6”, there could be a second hand, if the train was long enough. But in this case, we would have the caliber 250-1 instead.
The 90° angle of the main plate is remarkable. Together with the raw stripes finish, it makes this movement quite visuable appealing.

FEF 250 dial side

FEF 250 dial side

Technical data

Manufacturer:FEF
Caliber:250
Number of jewels:17
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:2 hole(s)
Functions:hour, minute
A/h:18000
Size:8 3/4'''
Literature: Flume: 1947 20

Usage gallery

Orator ladies' watch

Orator ladies' watch

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