Service Manual for Seiko Cal. V732C/V733C/V739C
Service manual for three precision Seiko quartz watch movements (V732C, V733C, V739C) offering detailed repair and maintenance guidance for professional technicians. The manual covers movements with Ø24.0 mm diameter and case diameter Ø23.3 mm, spanning heights of 2.57–2.78 mm. V732C and V733C feature 3-hand display systems, while V739C operates as a 2-hand model. Core technical content includes step motor drive architecture, date and day-date calendar mechanisms, battery specifications (SR920SW 1.55V cells rated for approximately 5 years of service life), coil block resistance values (1.18–1.58 kΩ range), movement current consumption data (under 5 µA for complete movement operation, under 0.28 µA for circuit block isolation), hand installation height discrimination reference tables, and circuit block structural diagrams (Seiko Part No. 4000 833). The manual provides exhaustive value-checking procedures and electrical parameter verification protocols essential for accurate diagnosis, adjustment, and repair work. An authoritative workshop reference for watch service professionals handling these three movement calibers.
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Document Details
- Format
- Pages
- 1
- Size
- 77.7 KB
- Category
- Watchmaking