Seiko 2517B Seikomatic Lady Calendar Technical Data and Parts List
Technical data and comprehensive parts list for the Seiko 2517B automatic wristwatch with calendar function. This service manual details the 21-jewel movement (21j/17j style designation) and provides complete specifications: 17.20mm case diameter, 5.85mm maximum height, 19,600 vibrations per hour, automatic winding mechanism with sweep second hand, instant date setting via pull-and-push action, and Diacock shock-resistant device for enhanced durability. The repair guide includes precise numbered identification of all internal components—barrel bridge, center wheel and pinion, escape wheel, locking wheels, date correction finger, date dial guard, oscillating weight axle, transmission wheel, and related parts—with corresponding part numbers essential for maintenance, repair, and accurate reassembly. Ideal for watchmakers, technicians, and serious collectors performing service work on this classic Seikomatic Lady model.
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Document Details
- Format
- Pages
- 9
- Size
- 1009.5 KB
- Category
- Watchmaking