Seiko Quartz Cal. 7549A, 7548A Technical Guide
Technical service manual for Seiko Quartz diver's watches Cal. 7549A and 7548A. Provides complete specifications and battery replacement procedures alongside the periodic check system required for depth-rated models. Details step-by-step disassembly and reassembly of case components across 600m, 300m, and 150m variants, with dedicated sections on movement maintenance, calendar mechanism operation, circuit block and coil block function, and setting mechanism adjustment. Includes lubrication point maps, exploded parts diagrams, and maintenance schedules for routine servicing and troubleshooting.
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Document Details
- Format
- Pages
- 19
- Size
- 1.1 MB
- Category
- Watchmaking