AS 1320 Brand AS Caliber 1320 Size 9 1/4 Function SC-AUT Version Hands 0,75x1,30 Stem 5509 Stem (subs.) Stem (2 pce) Balance staff 28603 Balance staff (subs.) 29107 INCA Mainspring (subs.) 1,45x7,5x0,08 Mainspring (subs.) X 3930 Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025509721BBalance cplt. -regulated920007211320723Balance staff ST -shock-absorber80228603723Balance staff, pivoted80229107771BMainspring AUT sliding attachemnet820393001481BReduction wheel AUT9200148113201482BRatchet wheel driving wheel9200148213201483BKupplungstrieb9200148313201496BOscillating weight axle920014961320