Seiko Quartz Cal. 8621A Parts Catalogue
Seiko Quartz Cal. 8621A Parts Catalogue — a technical reference for watchmakers and movement technicians servicing this compact battery-powered calibre. The parts catalogue presents the full specifications of the 8621A movement (18.4 x 15.3 mm casing, 32,768 Hz quartz frequency, 2 jewels), with exploded-view diagrams detailing every component in the assembly. You'll find a complete numbered parts list with Seiko part numbers, wheel setting combinations, battery compatibility information (SEIKO TR621SW, SH-OG, Maxell SR621SW, Toshiba SR621SW), and assembly notes to guide correct reconstruction. Essential for anyone performing maintenance or repair work on 8621A movements.
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Document Details
- Format
- Pages
- 4
- Size
- 94.2 KB
- Category
- Watchmaking