FELSA 21 Brand FELSA Caliber 21 Size 6 Function Version Hands 0,50x1,00 Stem 5017 Stem (subs.) Stem (2 pce) Balance staff 26204(F=35 Vis) 26205 Balance staff (subs.) 26210/26211 Mainspring (subs.) 1,35x5,50x0,06 Mainspring (subs.) 03460 Battery WatchpartsPart 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 ST -shock-absorber80226204723Balance staff, pivoted802262105443BScrew for setting lever jumper9200544321