HATTORY-SEIKO 7A07A Exploded diagram Brand HATTORY-SEIKO Caliber 7A07A Size Function Version Hands Stem 354-727 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4017A07Winding stem03547279840354727.7A07MAIN PLATE(PLASTIC)01017269840101726.7A07TRAIN WHEEL BRIDGE01257269840125726.7A07Setting lever03837259840383725