Seiko Quartz Cal. 1421A Parts Catalogue
Seiko Quartz Cal. 1421A parts catalogue for watch movement repair and service. Provides detailed illustrated parts list with numbered component identification, exploded assembly views, and complete technical specifications including 15.1 × 13.0 mm case dimensions, 2.8 mm height, 32,768 Hz crystal oscillator frequency, and step motor drive system. Covers assembly procedures and alternative component combinations for different battery options, making this an essential workshop manual reference for technicians servicing or restoring this compact quartz movement.
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Document Details
- Format
- Pages
- 4
- Size
- 88.6 KB
- Category
- Watchmaking