CHOPARD 90 Brand CHOPARD Caliber 90 Size 12 1/2 Function AUT Version Hands 0,80x1,40 Stem 5416 Stem (subs.) Stem (2 pce) Balance staff 22901 INCA Balance staff (subs.) Mainspring (subs.) 1,0x9,5x0,10Sp Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025416723Balance staff ST -shock-absorber802229011143/1Oscillating weight1482Ratchet wheel driving wheel