Numbering of watches and clocks - Kind of wristlet
€34.30
Main springs; concepts, requirements, testing
Numbering of watches and clocks - Main groups, types of movements and indications
€48.79
Cases for watches; hight of stemhole
€24.39
Pins for watches
Threaded bushes for watches
Dial-plate for clocks - Fitting dimensions
Spring pins for wristwatches
Cases for watches - Glass groove
Cases for watches - Acceptance test
Round glasses for watches - Glasses from plastic - Denominations, essential dimensions
Timing devices - Definitions, testing
Quartz-clocks; indication of accuracy
PRIMARY BATTERIES. PART 3: WATCH BATTERIES.
€69.00
