Seiko Quartz Cal. 2A24A 2A54A Technical Guide
Technical service manual for Seiko Quartz movements Cal. 2A24A and Cal. 2A54A. This comprehensive workshop guide covers full movement specifications, detailed parts lists with Seiko part numbers for all screws and components, step-by-step disassembly and reassembly procedures illustrated with numbered technical diagrams, precision lubrication instructions for proper maintenance, and complete component identification for both calibers. The Cal. 2A24A features a lunar calendar display, train wheel setting mechanism, electronic circuit reset switch, and battery life indicator. The Cal. 2A54A adds a standard date window. Both movements employ step motor drive technology with trimmer capacitor frequency regulation. Essential reference for watch technicians performing repair, overhaul, and routine service on these popular quartz movements.
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Document Details
- Format
- Pages
- 4
- Size
- 109.2 KB
- Category
- Watchmaking