Brand LANDERON Caliber 19 Size 18 1/2 Function Version Hands 1,30x1,85 Stem 12004 Stem (subs.) 12005 Stem (2 pce) Balance staff 411/425/415 Balance staff (subs.) 44708/46201 Mainspring (subs.) 1,40x14,5x0,17 Mainspring (subs.) Battery