HATTORY-SEIKO 2706A Exploded diagram Brand HATTORY-SEIKO Caliber 2706A Size Function Version Hands Stem 354-581 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) 401-581 (-582) AUT Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.220Second wheel -short pivot241-581025998401BHandsetting stem354-5819840354581407clutch wheel282-5819840282581434Clicking spring381-5819840381581450= 462Setting wheel387-5819840387581705Escape wheel -pinion straigt piv.251-5819840251581710Pallet fork -pinion 1 lower end-piec.301-5819840301581721Balance cplt. -regulated310-5819840310581771Mainspring AUT sliding attachemnet04015829840401582771BMainspring AUT sliding attachemnet401-58198404015818240Day indicator spring-clip963-7109840963710