Seiko Quartz Cal. 5420A Parts Catalogue
Parts catalogue for the Seiko Quartz Cal. 5420A movement, providing technicians and watchmakers with detailed component identification and assembly reference. Includes a comprehensive parts diagram with numbered components covering bridge assemblies, gear trains, pinions, rotor assembly, circuit block elements, battery specification (Maxell SR6215W), and regulating switch lever. An essential reference for service work, repair operations, and component sourcing.
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Document Details
- Format
- Pages
- 9
- Size
- 265.8 KB
- Category
- Watchmaking