Seiko Y468A Y469A Analogue Quartz Technical Guide
Technical reference guide for Seiko Y468A and Y469A analogue quartz watches. This service manual covers the complete technical specifications for both models, including crystal oscillator frequency of 32.768 kHz, battery designation (Masell SR726SW or equivalent), case diameter, case height, jewel count (2), and operational temperature range. The guide includes detailed schematics and diagrams for the calendar mechanism and setting functions with full component identification. Technicians will find comprehensive procedures for verifying and adjusting output signal characteristics, testing battery voltage and conductivity, confirming circuit block conductivity, establishing reset and secondary setting conditions, checking coil block performance, validating accuracy, assessing battery life indicator function, and measuring current consumption. Multiple reference tables provide quick lookup values for troubleshooting and adjustment work on these quartz watch movements.
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Document Details
- Format
- Pages
- 9
- Size
- 556.6 KB
- Category
- Watchmaking