Seiko Caliber 21C Parts List and Specifications
Technical specifications and comprehensive parts list for Seiko caliber 21C movement. Includes casing dimensions (17.80 x 15.30 mm), maximum height (3.50 mm), vibration rate (19,800 per hour), and detailed parts numbering. Features Disashock and Diaflex systems. Two movement images shown. Remarks section references alternative barrel arbor and regulator options.
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Document Details
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- Horlogerie