Balance staffs for watches and clocks; main types, designations
€24.39
Cases for watches - Back covers and rings, main dimensions
Round glasses for watches - Mineral glasses - Denominations, essential dimensions
€34.30
Numbering of watches and clocks - Kind of wristlet
Main springs; concepts, requirements, testing
Central case-screw for clocks; cheese head screws
Dial-plates for clocks; acceptance test
Round glasses for clocks
Gaskets for watches
Park time monitoring apparatus; automatic car park ticket dispenser; classification, concepts, requirements
Parking control equipment; letterings
Dials for watches - Designation, dimensions in drawings
Dials for watches - Main dimensions
Bushings for hands for clocks - Press bushings and pinned bushings
Numbering of watches and clocks - Main groups, types of movements and indications
€48.79
