Brand: Rolex
Series: Cosmograph Daytona
Model: 116518LN
Case: Oyster, 18ct yellow gold
Oyster case structure: middle case, screw-in bottom cover and winding crown
Diameter: 40mm
Outer ring: black Cerachrom ceramic solid outer ring with tachymeter scale
Winding crown: Screw-down triple buckle triple waterproof system
Mirror: scratch-resistant blue crystal
Waterproof function: waterproof up to 100 meters/330 feet