ISA 8171/202 Quartz Chronograph Movement Technical Specifications
Technical specification sheet for the ISA 8171/202 quartz chronograph movement, an electronic timekeeping module built around a patented dual-rotor motor design. This workshop reference details a 3-counter chronograph with hand-set date function, providing the comprehensive technical data required for movement assembly, calibration, and integration into watch cases. The document covers full performance characteristics and battery specifications, dimensional drawings for case and dial fitment, precise hand-positioning requirements, and a design sample layout. Notable features include the 30-minute counter with automatic stop function after 2 hours of operation and a quick-correction date mechanism. The rotating stepper motor architecture supports reliable chronograph operation across the full movement specification range. Essential reference for watchmakers and technicians working with ISA quartz chronograph platforms.
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Document Details
- Format
- Pages
- 6
- Size
- 339.2 KB
- Category
- Watchmaking