Seiko Lassale Quartz Cal. 9442A/9443A Technical Guide
Technical service manual for Seiko Lassale quartz watches Cal. 9442A and 9443A. Covers specifications, circuit block structure, complete disassembly and reassembly procedures for calendar mechanism, setting mechanism, and train wheel assembly. Includes lubrication points, checking procedures for output signal, battery voltage, conductivity, reset condition, coil block, and current consumption. Details time accuracy checking and adjustment procedures using QT-99 Quartz Tester with QT-Adapter. Features detailed exploded diagrams of calendar and movement components.
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Document Details
- Format
- Pages
- 7
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- 304.8 KB
- Category
- Horlogerie