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UMF 24-33

 
UMF 24-33 |

UMF 24-33

Description

The UMF caliber 24-33 adds a slowly switching date indication and an indirectly driven center second hand to the base caliber UMF 24-30.

UMF 24-33: UMF 24-33 dial side

UMF 24-33 dial side

UMF 24-33: dial side without date disc

dial side without date disc

Technical data

Manufacturer:UMF
Caliber:24-33
Caliber base:UMF 24-30
Size:10 1/2''' (measured: 24,1mm)
A/h:18000
lift angle:60°
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
Construction type:pillar construction
Winding mechanism:rocking bar winding system
Setting lever spring:2 holes
Attachment of setting lever:screwed/plugged
Features:
  • SCI (indirect center seconds)
  • QG (date indication (aperture))
Production period:1963 - 1990
References:Flume: K3 66
Mentioning in literature/catalogs (years):1967 - 1989
Data sheet:1976
Inventory number:25030
Hint: The jewel count, the types of balances used, and the shock protections employed refer only to the specimens held in the archive and are therefore not relevant for the precise identification of the movement.

Usage gallery

UMF 24-33: Karex ladies' watch

Karex ladies' watch

UMF 24-33: Ruhla ladies' watch

Ruhla ladies' watch

Links

Related movements in archive

Criterion / MovementUMF 24-26UMF 24-30UMF 24-31UMF 24-32UMF 24-33UMF 24-35UMF 24-42
0 jewels✅✅✅✅✅✅❌
2 jewels❌❌❌❌❌❌✅
decentral seconds❌❌✅❌❌✅❌
central seconds❌❌❌✅✅❌✅
date❌❌❌❌✅❌❌
chronograph❌❌❌❌❌✅❌
moving eyes✅❌❌❌❌❌❌

Other movements from UMF

This movement with its NOS Ruhla ladies’ watch is a kind donation from Marco Bublitz to the movement archive. Thank you very much for your great support!