Seiko 2205A Automatic Watch Movement Technical Data and Parts List
Seiko 2205A Automatic Watch Movement — Technical Data and Complete Parts List. This service manual provides full technical specifications for the Seiko 2205A caliber: 17.20mm case diameter, 5.65mm height, 28,800 vibrations per hour, and 17 jewels. The document includes a comprehensive parts breakdown with exploded view diagrams identifying every component, part number, and material composition. Technical notes cover winding stem variants, click spring alternatives, setting lever configurations, friction spring options, rocking seat designs, and date dial specifications with precise caliber positioning details. An essential reference for watchmakers performing maintenance, repair, or complete overhauls of this movement.
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Document Details
- Format
- Pages
- 11
- Size
- 720.6 KB
- Category
- Watchmaking