HATTORY-SEIKO Y770 Brand HATTORY-SEIKO Caliber Y770 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKOY770...,. Watchparts Part NocaliberdescriptionoriginalArtno..Y770LIQUID CRYSTAL PANEL451079598404510795.Y770LIQUID CRYSTAL PANEL451079698404510796