CITIZEN 6521 Brand CITIZEN Caliber 6521 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.201Cannon pinion with wheell028-A3209140028A32210third wheel017-14209140017142227Sweep second wheel023-26709140023267250Hour wheel075-A8209140075A82260Minute wheel & Pinion072-11409140072114401setting stem065-A1309140065A13407clutch wheel064-97009140064970443setting lever067-99909140067999445Setting lever spring077-997091400779974000circuit block279-K0309140279K034060coil unit246-1470914024614740601/4 second chr coil unit246-A1809140246A184060additional coil unit246-A1909140246A1942111/4 second chronograph rotor285-A2909140285A294211second rotor285-A3009140285A304211rotor285-A3109140285A31.Setting lever holder019-36109140019361.Yoke071-99709140071997.setting wheel076-72009140076720.third wheel084-64009140084640.intermediate minute wheel 2087-26809140087268.intermediate 1/4 chr wheel 1087-B1009140087B10.intermediate 1/4 chr wheel 2087-B1109140087B11.intermediate min chr wheel 1087-B1209140087B12.intermediate min chr wheel 2087-B1309140087B13.intermediate min chr wheel 3087-B1409140087B14.intermediate for sec wheel 1087-B1509140087B15.date dial correcting wheel 5087-B1709140087B17.intermediate for sec wheel 2087-B1809140087B18.date dial correcting wheel 1087-B1909140087B19.date dial correcting wheel 3087-B2009140087B20.date dial correcting wheel 2087-B2109140087B21.date dial driving wheel103-A1709140103A17.date jumper109-87709140109877.sheeld plate186-A6409140186A64.stator190-A2109140190A21.1/4 second chronograph stator190-A2209140190A22.additional stator190-A2309140190A23.setting stem spacer212-A6409140212A64.date corrector wheel213-61909140213619.circuit block supporter226-A6009140226A60.battery minus terminal231-99409140231994.1/4 second recording wheel251-33209140251332.second wheel251-33309140251333.fly-back connection lever260-99109140260991.fifth wheel stop lever269-40409140269404.switch click stop lever270-15409140270154.fly-back lever 2270-15609140270156.fly-back lever 1270-15709140270157.battery280-44009140280440.minute-chronograph wheel291-22209140291222.date dial guard293-A2409140293A24.train wheel bridge701-H8709140701H87.center wheel bridge711-24809140711248.calendar supporter714-07809140714078.chronograph guard720-A0209140720A02.plate complete750-F4409140750F44.1/4 second chr guard spring903-A3009140903A30.train wheel bridge screw 1922-16609140922166.Schrauben Räderwerksbrücke923-11209140923112.center wheel bridge screw923-98009140923980.circuit block screw923-99009140923990.date dial guard screw929-65009140929650.sheeld plate screw930-65009140930650.calendar supporter screw935-20109140935201