Seiko Caliber 6309A 17-Jewel Movement Technical Data and Parts List
Technical data sheet and comprehensive parts catalog for the Seiko Caliber 6309A automatic watch movement, a 17-jewel workhorse widely used across Seiko's sports and dive watch lines. Detailed exploded diagrams map every mechanical component—barrel, gear train, escapement mechanism, balance wheel, calendar system, and automatic winding system—making this an essential reference for repair technicians and horologists. Full movement specifications document the 27.0 mm case diameter, 5.2 mm maximum height, and 21,600 vibrations per hour beat rate. Complete parts list with reference numbers covers every component, enabling accurate ordering and assembly verification. Includes oscillating weight interchange data for different caliber variants and dial holding ring specifications, invaluable when servicing movements across Seiko's product range or sourcing replacement parts.
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Document Details
- Format
- Pages
- 10
- Size
- 663.7 KB
- Category
- Watchmaking