Brand OTERO Caliber 441 Size 10 1/2 Function SC-CLD Version Hands 0,80x1,40 Stem 8014 Stem (subs.) 8023 (TU) Stem (2 pce) Balance staff 33101 Balance staff (subs.) Mainspring (subs.) 1,4x9,0x0,10 Mainspring (subs.) Battery