Seiko H801A Parts Catalogue and Technical Guide
Seiko H801A hybrid quartz watch movement parts catalogue and technical reference guide. Covers the Cal. H801A movement specifications (28.5 mm diameter, 3.0 mm height) with detailed technical data for both analog and digital display sections. Includes movement layout diagrams, exploded parts illustration with numbered components, and guidance on case back assembly, gaskets, buttons, hands, dial alignment, winding stem, and internal mechanisms. Details the driving system architecture, display system functions including calendar and time display modes, battery specifications (SR920W alkaline cell, approximately 2 years service life, 1.55V output), and lubrication requirements for proper movement operation. Essential technical resource for service technicians and watch repair professionals working with this hybrid movement platform.
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Document Details
- Format
- Pages
- 9
- Size
- 255.8 KB
- Category
- Watchmaking