RICOH 41 Brand RICOH Caliber 41 Size Function Version Hands Stem 6822 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026822705BEscape wheel -pinion straigt piv.025998721Balnace cplt. -for shock-absorber9200072141