179615 ⎘
Watchmakers' or watch-repairers' machines or tools for working materials for treatment of the material, e.g. surface treatment for components of the regulating mechanism, e.g. coil springs
METHOD FOR PRODUCING A TIMEPIECE COMPONENT
#2METHOD FOR TREATING A BALANCE SPRING FOR A HOROLOGICAL MOVEMENT
#3METHOD FOR MANUFACTURING A TIMEPIECE MOVEMENT COMPONENT
#4Method for manufacturing an epilame mechanical part
#5CONDUCTIVE BALANCE-SPRING CORD
#6Method for producing a silicon-based timepiece spring
#7Pivot arbor of a regulating member
#8Spiral spring made of athermal glass for clockwork movement and method for making same