• Roger Dubuis Excalibur, known for its skeletonized design and intricate movements. • Automatic movement with a power reserve typically around 60 hours. • Case material often made of titanium, carbon, or gold. • Sapphire crystal face is scratch-resistant. • Water resistance typically around 30-50 meters (splash-proof). • Functions may include hours, minutes, seconds, and potentially a chronograph or tourbillon. • Band material often matches the case (leather, rubber, or metal). • Please inspect the watch carefully for any signs of wear.