Seiko 6308A Caliber - Parts List and Technical Data
Comprehensive parts list and technical specifications for the Seiko caliber 6308A automatic movement. Features detailed component illustrations with assigned part numbers for assembly and service reference. Core specifications include a 27.0 mm case diameter, 5.2 mm movement height, and 21,600 vibrations per hour beat rate. The movement incorporates automatic winding with a sweep second hand, calendar function, and instant date setting capability. Shock resistance is provided by the Diashock device. The remarks section covers critical specifications for the stem unlocking lever, available date dial configurations, holding ring selection guidelines, and oscillating weight compatibility with caliber 61 series movements—essential information for technicians performing maintenance or restoration work on these watches. This parts list and technical data serves as a reference for service and workshop manual applications.
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Document Details
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- Watchmaking