Black Rose .Roger Dubuis Excalibur King Series Automatic Winding Movement, Case: 46mm, Sapphire Crystal Carbon, DLC Coated Titanium Alloy in Black, Engraved with the Geneva Seal. Pirelli Rubber Strap, a fusion of strength and beauty, with a vibrant color combination, featuring a double flying tourbillon skeleton technology, showcasing the beauty of mechanical movement!