Cal. Y580A Analogue Quartz Watch Technical Guide and Parts List
Technical service manual and parts list for the Seiko Calibre Y580A analogue quartz watch movement. This workshop guide provides detailed specifications for the Y580A platform, including movement dimensions (13.0 mm H x 15.55 mm D), 2-hand time display with monthly rate stability better than 20 seconds loss, circuit block architecture, and step motor compensation driving pulse configuration. The repair manual covers comprehensive checking and adjustment procedures essential for service technicians. Battery specifications detail compatible cells (SEIZAIKEN TR616SW, MAXELL SR616SW, 1.55V nominal, approximately 3-year service life). The troubleshooting and maintenance sections address accuracy testing protocols, output signal verification methods, battery voltage and conductivity assessment, circuit block and coil block conductivity diagnostics, gear train mechanism inspection, and current consumption profiling. Includes jewel specifications (0 jewels in certain variants) and 10-second measuring gate parameters for precision work.
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Document Details
- Format
- Pages
- 5
- Size
- 223.2 KB
- Category
- Watchmaking