Seiko 2N20A Movement Parts Catalogue and Technical Guide
Seiko Cal. 2N20A quartz movement parts catalogue and technical service guide. Provides complete specifications for this precision quartz mechanism, with exploded assembly diagrams showing component relationships and a fully indexed parts list using Seiko reference numbers for accurate ordering and identification. Covers battery installation procedures, train wheel bridge calibration settings, and setting mechanism configuration. Includes structural schematics of the circuit block assembly, detailed disassembly and reassembly instructions with technician remarks, and value checking procedures essential for movement verification and regulation. An indispensable workshop manual for watchmakers and technicians servicing Seiko quartz timepieces equipped with this caliber.
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Document Details
- Format
- Pages
- 6
- Size
- 160.6 KB
- Category
- Watchmaking