HATTORY-SEIKO 5939A Exploded diagram Brand HATTORY-SEIKO Caliber 5939A Size Function Version Hands Stem 354-495 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO5939A