LONGINES 320BrandLONGINESCaliber320Size6Functiono. SCVersionHandsStem5042Stem (subs.)Stem (2 pce)Balance staff26307Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.121Screw for balance bridge180Barrel with drum + cover95400180320195Barell arbor95400195320200Center wheel + cannon pinion95400200320210BThird wheel320-21095400210320220Second wheel -short pivot95400220320240Cannon pinion95400240320260Minute wheel95400260320401Winding stem8025042407Clutch wheel95400407320410Winding pignon95400410320420Crown wheel95400420320425Clicking spring95400425320430Click spring95400430320435Yoke spring95400435320443Setting lever assembled95400443320445Setting lever spring95400445320450Setting wheel95400450320705BEscape wheel -pinion straigt piv.95400705320710Pallet fork -pinion 1 lower end-piec.320-71095400710320721Balance cplt. -regulated95400721320723Balance staff ST -shock-absorber802263075435