Seiko Cal. 7C43A, 7C46A Parts Catalogue and Technical Guide
Comprehensive parts catalogue and technical guide for Seiko Cal. 7C43A and 7C46A quartz watch movements. This workshop manual provides detailed specifications and exploded views of the setting mechanism and gear train, with individually numbered components and assembly cross-references to simplify disassembly and reassembly. Lubrication guidance covers proper application to critical points throughout the movement. A circuit block structure diagram clarifies the electronic layout, while step-by-step procedures walk through the complete service sequence. Detailed remarks address specific assemblies including the dial, date dial guard, intermediate wheel for day correction, train wheel setting lever, and center wheel bridge. Valve checking data ensures proper function, and time accuracy adjustment instructions enable precise regulation. This repair manual serves both experienced watchmakers and technicians new to these reliable movements.
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Document Details
- Format
- Pages
- 7
- Size
- 225.3 KB
- Category
- Watchmaking