Caliber Y520A Analogue Quartz Technical Guide and Parts List
Comprehensive technical guide and parts list for the Seiko Caliber Y520A analogue quartz movement. Specifications detail the compact Ø11.5 mm diameter, 2.8 mm height (3.1 mm with battery installed), and single jewel construction. The workshop manual covers complete disassembly and reassembly procedures with detailed step-by-step illustrations, including hour and minute hand removal, battery clutch wheel operation, and train wheel bridge screw specifications. Checking and adjustment procedures ensure proper function after service. Fully labeled component diagrams guide technicians through each disassembly stage and reassembly sequence, making this an essential service manual for watchmakers working with this compact quartz caliber.
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Document Details
- Format
- Pages
- 5
- Size
- 233.3 KB
- Category
- Watchmaking