UNITAS 431BrandUNITASCaliber431Size18 1/2x21FunctionVersionHands1,15x2,00Stem12003Stem (subs.)Stem (2 pce)Balance staff40503Balance staff (subs.)Mainspring (subs.)2,0x16,5x0,20Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled92000100431105233Barrel bridge92000105233110BBarrel and train wheel bridge92000110431116BEscape wheel bridge92000116431121BScrew for balance bridge92000121431125BPallet bridge92000125431182BBarrel with drum + cover92000182431195BBarell arbor92000195431201BCentre wheel -without cannon92000201431210BThird wheel92000210431220BSecond wheel -short pivot92000220431224BSecond wheel -long lower pivot92000224431230BAnkerradtrieb92000230431240BCannon pinion92000240431250BHour wheel92000250431260BMinute wheel92000260431301BRegulator for flat hairspring920003014313076431Rücker mit bewgl. Spiralklötzchen-Träger920003076431307Rücker mit bewgl. Spiralklötzchen-Träger311BRückerplättchen mit Stein92000311431330231Decksteinplättchen für Unruh92000330231336231Decksteinplättchen oben für Ankerrad/Hemmungsrad92000336231346190Decksteinplättchen unten für Ankerrad/Hemmungsrad92000346190401231Winding stem80212003407BClutch wheel92000407431410BWinding pignon92000410431415BRatchet wheel92000415431420BCrown wheel92000420431422285Crown wheel ring92000422285425285Clicking spring92000425285430285Click spring92000430285435285Yoke spring92000435285440285Yoke spring92000440285443BSetting lever assembled92000443431445285Setting lever spring92000445285450BSetting wheel92000450431453BIntermediate setting wheel92000453431702BEscape wheel -pinion 2 end-piec.92000702431703BEscape wheel -pinion 1 lower end-piec.92000703431704BEscape wheel -pinion 1 upper end-piec.92000704431705BEscape wheel -pinion straigt piv.92000705431710BPallet fork -pinion 1 lower end-piec.92000710431721BBalance cplt. -regulated920007216431723BBalance staff ST -shock-absorber92000723431723Balance staff ST -shock-absorber80240503728BBalance staff ST -shock-absorber92000728431730145 / 120Roller92000730145770BMainspring920007704315415B92005415431