$5.00
Seiko Quartz Cal. 2639A Parts List
by SEIKO
Parts list and technical specifications for Seiko Quartz movement Cal. 2639A. Includes component diagrams, part numbers, and assembly references. Features 32.768 Hz crystal oscillator, step motor system, and trimmer condenser regulation. Contains date dial variants and battery specifications.
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Document Details
- Format
- Pages
- 4
- Size
- 107.0 KB
- Category
- Horlogerie