UMF 3

UMF M3
UMF M3

Description

Before in Ruhla the simple M24 pin-lever movement dominated, higher-quality watches were produced in Ruhla, like this M3 movement, also called "Diva". It has got 15 functional jewels, a swiss anchor escapement and even a balance with screws.

Depending on the version (or age?) this movement was available with or without shock protection.


dial side view
dial side view



shock protected version
shock protected version



dial side view of shock protected version
dial side view of shock protected version

Technical data

ManufacturerUMF
Caliber3
Number of jewels15
EscapementAnchor with pallets
BalanceNickel screw balance
Shock protection(s)Antichoc 102,none
Balance cock directionclockwise
Hairspring studfixed
Regulator typeHairspring key
Movement constructionFork
Escapement wheel, Fourth wheel, Third wheel, Center wheel
Mainspring barrel
FunctionsHour, minute
Beats per hour18000
Size83/4'''
Image in Flume Werksucher K2 -
Factsheet

Usage gallery