K83/103 Quartz Watch Movement Technical Specifications
Technical specification manual for the ISA K83/103 quartz watch movement, a 8 3/4 ligne (19.40 mm) caliber. This workshop reference documents the complete technical profile of this three-hand movement with center seconds and date function, covering power consumption data (0.90 µA), precision tolerances, operating temperature range (0–50°C), and magnetic field immunity specifications. Battery information is provided for the SR 721 SW cell (1.55V, 27 mAh, delivering approximately 42 months of autonomy). The manual includes dimensional drawings with detailed tolerances for the movement cage, dial seating, hand-fitting specifications, and stem positioning. The stepping motor operates at one step per second, the date window includes rapid correction capability, and the stem features three operational positions. RoHS compliance is confirmed. An essential reference for service technicians, repair specialists, and watchmakers requiring accurate movement specifications and assembly dimensions.
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Document Details
- Format
- Pages
- 5
- Size
- 200.2 KB
- Category
- Watchmaking