Cal. 7F18A Parts Catalogue and Technical Guide
Parts catalogue and technical guide for the Seiko Cal. 7F18A watch movement. This service manual provides detailed movement specifications, technical diagrams, step-by-step disassembly and reassembly procedures, a comprehensive parts list with component illustrations, and complete lubrication instructions. Covers solar position display, moon phase display, date and day hands, and instant-setting devices. The movement features a step motor driving system with 2-hand time indication, monthly rate accuracy of less than 15 seconds, and approximately 3 years of battery life. An essential workshop reference for technicians servicing and maintaining this quartz calendar movement.
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Document Details
- Format
- Pages
- 4
- Size
- 122.9 KB
- Category
- Watchmaking