Mainsprings for Watches

Keyless Stems (Packet of 100 Pcs) By Calibres for all Swiss, Japanese and Russian Mechanical Watches. (About 250 Calibres Available). Need to specify calibre name when ordering

Assorted packet of 100 pcs.

Assorted packet of 100 pcs.

A must for all assembling and manufacturing units to cut winding stems to any required size with a flush cut.