FELSA 21BrandFELSACaliber21Size6FunctionVersionHands0,50x1,00Stem5017Stem (subs.)Stem (2 pce)Balance staff26204(F=35 Vis) 26205Balance staff (subs.)26210/26211Mainspring (subs.)1,35x5,50x0,06Mainspring (subs.)03460BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.180BBarrel with drum + cover9200018021195BBarell arbor9200019521210BThird wheel9200021021260BMinute wheel9200026021401Winding stem8025017407BClutch wheel9200040721410BWinding pignon9200041021420BCrown wheel9200042021425BClicking spring9200042521430BClick spring9200043021434BClicking spring9200043021440BYoke spring9200044021443BSetting lever assembled9200044321445BSetting lever spring9200044521450BSetting wheel9200045021710BPallet fork -pinion 1 lower end-piec.9200071021723Balance staff, pivoted80226210723Balance staff ST -shock-absorber802262045443BScrew for setting lever jumper9200544321