Seiko Caliber 17A Technical Data and Parts List
Technical data and comprehensive parts list for the Seiko caliber 17A mechanical watch movement. This service manual documents the complete mechanical specification of this non-automatic movement: 13.50mm casing diameter, 3.20mm height, and 21,600 vibrations per hour. Details the integrated Diashock shock-resistant device and precision oil lubrication system. Includes a fully numbered parts inventory covering all movement components—bridges, balance wheel assembly, mainspring, escape wheel, gear train wheels, pivots, screws, and jewel bearings. The characteristics diagram provides visual schematics of each component and illustrates how the escapement and regulator mechanism function together, making this an essential reference for technicians rebuilding or servicing this caliber.
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Document Details
- Format
- Pages
- 4
- Size
- 295.8 KB
- Category
- Watchmaking