Service Guide Cal. V742C / V743C
Service guide covering the Seiko quartz watch movements Cal. V742C and V743C. This technical manual provides complete specifications for both calibers, detailing movement dimensions, time indication systems, and winding mechanisms. Covers all functional components including date calendar, day/date calendar, instant setting devices, train wheel setting mechanisms, and electronic circuit reset switches. Includes rate specifications (loss/gain tolerances), battery compatibility reference (SR920SW, SR920W, SR920PSW, SR920NSW, Eveready 371), circuit block schematic diagrams, hand installation height discrimination procedures, and electrical parameter verification (coil block resistance values and current consumption measurements). Essential reference for service technicians performing calibration, repair, and adjustment work on these movements.
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Document Details
- Format
- Pages
- 1
- Size
- 76.8 KB
- Category
- Watchmaking