Brand HELVETIA Caliber 74 Size 10 1/2 Function Version Hands 0,80x1,30 Stem 5702 Stem (subs.) 5703 wd / 5704 (TU) Stem (2 pce) Balance staff 24903 Balance staff (subs.) 26806 INCA Mainspring (subs.) 1,25x10,0x0,12 Mainspring (subs.) Battery