Seiko Calibre 6619A Sportsmatic 5 Technical Parts List
Technical parts list and detailed materials specification for the Seiko calibre 6619A automatic movement, a 21-jewel mechanism measuring 27.60mm in diameter and 6.40mm in height, beating at 18,000 vibrations per hour. This workshop manual provides exploded views and mechanical diagrams of the complete movement, with comprehensive part numbers for every component including the barrel, gear train wheels, main and intermediate bridges, balance wheel with jeweled pivots, escape wheel, lever escapement, and the full calendar mechanism incorporating both day and date display. Covers the Diashock shock-resistant bearing system and the automatic winding rotor assembly with sweep second hand. Essential reference for Sportsmatic 5 model service, repair, and restoration work.
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Document Details
- Format
- Pages
- 2
- Size
- 1.9 MB
- Category
- Watchmaking