UMF 24-30

 
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UMF 24-30

Description

One of the most produced movements in the world is the UMF Caliber 24. It was launched in 1963 and produced until the mid eighties in a number of more than 130 million movements. In the best times, 25000 movements per day left the factory. This simple and robust movement was produced on automated production lines.

side view

side view

The base version, caliber 24-30, could only display hours and minutes.

UMF 24-30 dial side

UMF 24-30 dial side

Technical data

Manufacturer:UMF
Caliber:24-30
Escapement:Pin lever
Balance types: Nickel anular balance
Shock protection(s): none
Balance bearing / direction hairspring:Clockwise
Moveable stud:no
Adjust mechanism:Hairspring key
Construction:
  • lever
  • escape wheel, seconds wheel, third wheel, center minute wheel, mainspring barrel
Winding mechanism:rocking bar winding system
Setting lever spring:2 hole(s)
Functions:hour, minute
A/h:18000
Size:10 3/4'''
Production period:1963-1987
Literature: Flume: K3 66

Usage gallery

Anker schooling watch

Anker schooling watch