LONGINES 25.17BrandLONGINESCaliber25.17Size8 3/4x11FunctionVersionHandsStemDCN 2378Stem (subs.)DCN 1121Stem (2 pce)Balance staffDCN 3091Balance staff (subs.)Mainspring (subs.)1,60x11,0x0,100Mainspring (subs.)SpezialBatteryWatchpartsPart NocaliberdescriptionoriginalArtno.410Winding pignon420Crown wheel443Setting lever assembled721Balance cplt. -regulated770BMainspring t-hook954007702517