- Function: TimeDate- Movement: Quartz- Size of case diameter: 46mm- Case material: CARBONOX- Case Bezel: Fix- Case Back: Stainless Steel Screw-on- Crown: Stainless Steel, Double O-ring crown- Water resistance: 200m / 20atm- Crystal/Glass material: Sapphire crystal anti-reflective coating- Strap/Bracelet material: Genuine Rubber- Case Height: 13mm- Weight: 75g- Illumination: Night Vision Tubes (25 years)