HATTORY-SEIKO 6138B Exploded diagram BrandHATTORY-SEIKOCaliber6138BSizeFunctionVersionHandsStem354-616Stem (subs.)Stem (2 pce)Balance staff315-611 (29823 Boley)Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.260BMinute wheel261-6179840261617401Winding stem354-61698403546167056138Escape wheel -pinion straigt piv.9840251612723Balance staff ST -shock-absorber315-611802298231488Pawel winding wheel505-6130259988000Chronograph wheel ( 60s)888-61198408886118020Minute counting wheel (30m) H 747902-611025998.Hour counting wheel, mounted740-6179840740617.Stundenzählradfeder752-61798400752617