Calibre Y666A Digital Quartz Technical Guide
Technical service manual for the Seiko Calibre Y666A digital quartz movement. This workshop reference covers complete mechanical and electrical specifications—movement diameter 28.0 mm, height 4.9 mm—along with the Nematic Liquid Crystal FEM display architecture and the C-MOS-LSI quartz oscillator circuit schematic. Provides practical lubrication reference data, systematic checking and adjustment procedures for technicians, and detailed liquid crystal panel testing methods. Includes current consumption measurements under various operating conditions and functional calibration steps for time display, alarm display, stopwatch modes, and integrated game function. Powered by a Sanyo CR2016 lithium battery rated at 3.0 V with typical service life of approximately three years. Essential troubleshooting and maintenance resource for watchmakers and repair specialists working with this Seiko quartz caliber.
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Document Details
- Format
- Pages
- 4
- Size
- 199.8 KB
- Category
- Watchmaking