HATTORY-SEIKO 7518A Exploded diagram BrandHATTORY-SEIKOCaliber7518ASizeFunctionVersionHandsStem354 - 755 NLStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4017518Winding stem03547559840354755.7518MAIN PLATE(PLASTIC)01017529840101752.7518CENTER WHEEL BRIDGE01227509840122750.7518CENTER WHEEL AND PINION02217509840221750.7518Cannon pinion02257559840225755.7518FOURTH WHEEL AND PINION02417559840241755.7518Setting lever03836019840383601.7518OPEN-CLOSE SPRING81331301