Brand ZENITH Caliber 181 Size 10 1/2 Function KLS Version Hands 0.80x 1.30 x 0,17 Stem 5029 Stem (subs.) Stem (2 pce) 5029 Balance staff 22003 Spir.-Ansatz 0.80 Balance staff (subs.) 22004 Spir.-Ansatz 0.45 Mainspring (subs.) 1.00x9.00x0.12 Mainspring (subs.) = 02467 Battery