Seiko Quartz Cal. 2620B Parts List
Seiko Quartz Cal. 2620B parts list — the essential reference for anyone working with this popular 1970s–80s quartz movement. Covers component identification with factory part numbers, technical specifications including the 32,768 Hz tuning-fork oscillator and step-motor drive system, and detailed parts nomenclature. Includes component photographs keyed to part designations, trimmer capacitor adjustment data, and documented variants for center minute wheel assemblies with silver and gold-plated cannon pinion options, hour wheel configurations, and winding stem variants. This workshop manual excerpt provides the precision reference data needed for movement service, repair, and parts cross-referencing.
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Document Details
- Format
- Pages
- 4
- Size
- 106.3 KB
- Category
- Watchmaking