Rolex brand

Cosmograph Daytona Series

Automatic mechanical movement type

4131 movement model

40mm dial

18k gold watch case material

Basic Information Number: m126518ln-0006 Brand: Rolex Series: Cosmograph Daytona Movement Type: Automatic Mechanical Gender: Men’s Movement: 4131 Movement Type: Automatic Mechanical Manufacturer: Rolex Balance Wheel: Extra Large Inertia Fine Adjustment Balance Wheel Frequency: 28,800 rpm Hairspring: Paramagnetic Blue Parachrom Hairspring Shock Protection: High-Performance Paraflex Shock Absorber Jewels: 47 Power Reserve: 72 Hours Technical Certification: Superlative Chronometer Appearance: Case Diameter: 40 mm Case Thickness: Not Available Dial Color: Black Dial Shape: Round Strap Color: Black Clasp Type: Folding Oysterclasp with Rolex Glidelock Extended System Case Back: Solid Case Back Weight: Not Available Water Resistance: 100 meters Hour Marker Type: Diamond-set Hour Markers Clasp Spacing: Not Available Lug Spacing: Not Available Materials Case Material: 18k Gold Dial Material: Not Available Bezel Material: One-piece Black Cerachrom Ceramic Bezel with Cast Molding Tachymeter Crystal Material: Scratch-resistant Sapphire Crystal Crown Material: Screw-down Triplock Triple Water Resistance System Strap Material: Rubber Buckle Material: Not Available Functions: Chronograph