Seiko Quartz Cal.7810A Parts List
Comprehensive parts list and exploded diagrams for the Seiko Quartz Cal.7810A movement, a 5-jewel quartz caliber built into compact 23.3mm cases. This repair manual details every component by part number and nomenclature: gear train wheels and pinions, bridge and lever assemblies, hairsprings, the circuit block and coil block assemblies, step rotor mechanism, dial washer, case clamp, fasteners, jewel settings, and silver oxide battery specification. The movement runs on a 32,768 Hz quartz crystal oscillator with a 2-pole step motor system and trimmer condenser fine-tuning circuit. Essential reference for watch technicians performing maintenance, adjustment, or component replacement on this long-production caliber found across Seiko's dress and sports watch ranges.
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Document Details
- Format
- Pages
- 3
- Size
- 73.5 KB
- Category
- Watchmaking