MARVIN 190 Brand MARVIN Caliber 190 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.723BBalance staff ST -shock-absorberL = 28080207239723BBalance staff ST -shock-absorberL = 29480207239