Brand OMEGA Caliber 30T2 Size Function Version Hands 0,55x1,10 Stem Stem (subs.) Stem (2 pce) Balance staff DCN 1355 Balance staff (subs.) bestpassend DCN 695 (REVUE 56) Mainspring (subs.) 04228 1.5x0.14x11.5x340 Mainspring (subs.) Ers. 04208 Battery