HATTORY-SEIKO 2E20 Exploded diagram BrandHATTORY-SEIKOCaliber2E20Size4 3/4Functiono. SCVersionHands0.45x0.90Stem351-206Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecial160928HATTORY-SEIKO2E204 3/40.45x0.90o. SC WatchpartsPart NocaliberdescriptionoriginalArtno.250Hour wheel271-2029840271202405Stellwelle351-20698403512064000Electronic module4000-2089840400020840602E20Coil -red4002-354984040023544060Coil -red4002-20298404002202