UMF 24-32

 
UMF 24-32

UMF 24-32

Description

The UMF caliber 24-32 adds an indirectly driven center second hand to the base caliber UMF 24-30.

old construction of december 1973

old construction of december 1973

In the old construction of 1973 (week 50), you can see, that this movement did not yet have a moveable hairspring stud, since that was released in 1975.

UMF 24-32 dial side

UMF 24-32 dial side

On the dial side, you can easily spot the differences between the old (pre 1975) construction and the newer one: On the old construction, the rocking bar winding mechanism is made of metal, on the newer one, it is made of plastic.

dial side, old version

dial side, old version

Technical data

Manufacturer:UMF
Caliber:24-32
Escapement:Pin lever
Balance types: Nickel anular balance
Shock protection(s): none
Balance bearing / direction hairspring:Clockwise
Moveable stud:no/yes
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)
Features:SCI
Functions:hour, minute, second
A/h:18000
Size:10 3/4'''
Production period:1963-1987
Literature: Flume: K3 66

Usage gallery

Ruhla gents watch

Ruhla gents watch

Ruhla Lady Star ladies' watch

Ruhla Lady Star ladies' watch

Links