Service Guide Cal. V722A / V729A
Service guide for Seiko V722A and V729A quartz watch movements. This workshop manual provides essential specifications for both 3-hand and 2-hand configurations, covering movement dimensions, stepper motor drive architecture, and date complication details. Battery information specifies SR920SW silver-oxide cells rated for 3 years of service life. Includes current consumption data critical for diagnostics, a hand-setting height discrimination table for proper installation alignment, circuit block schematic with terminal pin-out reference, and step-by-step procedures for coil resistance measurement and current draw verification against specification limits. An indispensable reference for authorized service centers and experienced technicians performing movement repair, calibration, and battery replacement on these popular quartz calibers.
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Document Details
- Format
- Pages
- 1
- Size
- 78.7 KB
- Category
- Watchmaking