Seiko Calibre 7025A Parts List and Exploded Views

Seiko caliber 7025A parts catalog and exploded views manual. Authoritative reference for servicing and rebuilding this automatic watch movement. Includes fully detailed numbered parts lists with part numbers, exploded assembly diagrams showing exact component positioning, and complete movement specifications: 27.00 mm case diameter, 4.60 mm maximum height, 21,600 vibrations per hour, automatic winding mechanism with sweep seconds hand, instant date-setting function, and Diashock shock-resistant bearing system. Coverage spans all major assemblies—barrel and gear train bridge, center wheel and gear set, third wheel, balance cock and complete balance assembly, mainspring and barrel arbor, all wheels and pinions through the escapement, minute and hour wheels, date change mechanism, ratchet wheel, pallet fork and staff assembly, along with comprehensive fastener specifications for screws, springs, levers, and frame components. Essential for watchmakers, horologists, and technicians performing movement service, overhaul, regulation, or replacement of worn parts.