UNITAS 540 Brand UNITAS Caliber 540 Size 6 3/4x8 Function SC Version Hands 0,65x1,10 Stem 5914 Stem (subs.) Stem (2 pce) Balance staff 29513 Balance staff (subs.) 29219 NCA Mainspring (subs.) 1,35x7,5x0,08 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled92000100540105BBarrel bridge92000105540110BBarrel and train wheel bridge92000110540121BScrew for balance bridge92000121540125BPallet bridge92000125540126BCenter wheel cock92000126540182190Barrel with drum + cover92000182190195BBarell arbor92000195540206BCenter wheel drilled without cannon92000206540210BThird wheel92000210540227BSweep second wheel92000227540245BCannon pignon sweep sec. H = 27092000245540255BHour wheel sweep second92000255540260BMinute wheel92000260540301BRegulator for flat hairspring92000301540311190Rückerplättchen mit Stein92000311190330BDecksteinplättchen für Unruh92000330540336BDecksteinplättchen oben für Ankerrad/Hemmungsrad92000336540346BDecksteinplättchen unten für Ankerrad/Hemmungsrad92000346540401190Winding stem92000401190401Winding stem8025914407BClutch wheel92000407540410190Winding pignon92000410190415BRatchet wheel92000415540420BCrown wheel92000420540422190Crown wheel ring920004221904256360Clicking spring920004256360430BClick spring92000430540435BYoke spring92000435540440BYoke spring92000440540443BSetting lever assembled92000443540445BSetting lever spring92000445540450BSetting wheel92000450540702BEscape wheel -pinion 2 end-piec.92000702540705BEscape wheel -pinion straigt piv.92000705540710BPallet fork -pinion 1 lower end-piec.92000710540721BBalance cplt. -regulated92000721540723BBalance staff ST -shock-absorber92000723540723Balance staff ST -shock-absorber80229513723Balance staff, pivoted80229219728BBalance staff ST -shock-absorber92000728540770BMainspring92000770540