HATTORY-SEIKO 5939A Exploded diagram BrandHATTORY-SEIKOCaliber5939ASizeFunctionVersionHandsStem354-495Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO5939A