AS 1637N Brand AS Caliber 1637N Size 13 Function SC Version Hands 0,90x1,50 Stem 7323 Stem (subs.) Stem (2 pce) Balance staff 29014 Balance staff (subs.) 29611 INCA Mainspring (subs.) 1,5x11,5x0,14 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.1821604Barrel with drum + cover9200018216041951604Barell arbor9200019516042061604Center wheel drilled without cannon9200020616042101604Third wheel9200021016042271604Sweep second wheel9200022716042451604Cannon pignon sweep sec. H = 2709200024516042551604Hour wheel sweep second9200025516042601604Minute wheel9200026016043011130Regulator for flat hairspring9200030111303071604Rücker mit bewgl. Spiralklötzchen-Träger9200030716043111130Rückerplättchen mit Stein9200031111303301193Decksteinplättchen für Unruh9200033011933361637Decksteinplättchen oben für Ankerrad/Hemmungsrad9200033616373431187NBearing plate f. sweep sec- wheel9200034311873461604Decksteinplättchen unten für Ankerrad/Hemmungsrad9200034616044011560Winding stem920004011560401Winding stem80273234071560Clutch wheel9200040715604101560Winding pignon9200041015604151604Ratchet wheel9200041516044201604Crown wheel9200042016044221604Crown wheel ring9200042216044251604Clicking spring9200042516044301130Click spring9200043011304351604Yoke spring9200043516044401130Yoke spring9200044011304431604Setting lever assembled9200044316044451604Setting lever spring9200044516044501604Setting wheel9200045016047021604Escape wheel -pinion 2 end-piec.9200070216047031604Escape wheel -pinion 1 lower end-piec.9200070316047041604Escape wheel -pinion 1 upper end-piec.9200070416047101604Pallet fork -pinion 1 lower end-piec.9200071016047211604Balance cplt. -regulated9200072116047231604Balance staff ST -shock-absorber920007231604723Balance staff ST -shock-absorber80229014723Balance staff, pivoted802296117281604Balance staff ST -shock-absorber920007281604770BMainspring920007701637