CERTINA 13-21 Brand CERTINA Caliber 13-21 Size 5 1/2 Function Version Hands 0.55x1.00 Stem 6604 Stem (subs.) Stem (2 pce) Balance staff 28022 INCA Balance staff (subs.) Mainspring (subs.) 1,4x6,0x0,06 Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecialCERTINA13-215 1/20.55x1.00 Watchparts Part NocaliberdescriptionoriginalArtno.200= 13-209Center wheel + cannon pinion912002001320240= 13-10Cannon pignon sweep sec.H 235912002411310240= 13-10Cannon pignon sweep sec.H 275912002421310240= 13-10Cannon pignon sweep sec.H 205912002401310260= 13-20Minute wheel912002601320401Winding stem8026604407= 13-10Clutch wheel912004071310410= 12-10Winding pignon912004101210445= 13-20Setting lever spring912004451320705= 13-20Escape wheel -pinion straigt piv.912007051320721= 13-20Unruh mit Flachspirale912007211320723Balance staff ST -shock-absorber80228022