Seiko Quartz Cal. 7439A Parts Catalogue
Seiko Quartz Cal. 7439A parts catalogue covering the complete movement assembly. Features detailed exploded view diagrams with full part numbers and reference illustrations for all major components: balance wheel bridge, calendar plate, wheel train elements, clutch wheel, setting lever, date dial, circuit block, coil block, step rotor, battery insulators, crystal cushion, screws and tubes. Essential reference for service technicians and watchmakers performing repairs, maintenance or restoration work on this quartz calibre. Includes the visual breakdown needed to identify and source individual components during disassembly and reassembly.
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Document Details
- Format
- Pages
- 4
- Size
- 110.3 KB
- Category
- Watchmaking