Seiko Quartz Cal. 5420A Technical Guide
Technical guide for Seiko Quartz Cal. 5420A watch movement. Includes specifications (32,768 Hz oscillator, 2-jewel movement, step motor drive), complete parts catalog with numbered illustrations, circuit block structure, time accuracy adjustment procedures, disassembly and reassembly instructions with lubrication specifications, and checking/adjustment procedures for output signal, battery, coil block, reset condition, and accuracy. Contains detailed exploded views and component reference guide.
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Document Details
- Format
- Pages
- 9
- Size
- 265.1 KB
- Category
- Horlogerie