Reef Tiger Luminous Sport Watches Mens Black Steel Skeleton Dial Tourbillon Watch RGA703 Sea-Gull ST2503 Automatic Movement 44mm Smooth and Streamline Ball-shape 316L Steel Case 3D Visual Art Anti Scratch Sapphire Crystal Skeleton Dial, Luminous Dot Markers, Year and Month at 12:00, Date at 3:00, Day at 9:00 Transparent Case Back, Water Resistance 50 Meters