Automatic Tourbillon

The Miyota caliber 8215 delivers reliable accuracy of -20 to +40 seconds per day, tested within 10–60 minutes of full power reserve. A 40-turn hand-wind achieves its full 42-hour power reserve, ensuring dependable performance. The movement features a brushed metal surface for a refined, high-end look, while the tourbillon frame—crafted with gold gears and blue steel screws—showcases the beauty of mechanical rhythm through its open-worked window.

striking radial sunburst finish enhances light and shadow play, highlighting the intricate gear structure and ruby bearings that improve durability and elegance.

Beyond precision and aesthetics, this movement also offers customization options, allowing watchmakers and brands to adapt functions and designs to create unique timepieces that reflect individual style.