BERNY Men Titanium Watch Quartz Movement Lightweight Watches Titanium Strap Super Luminous 50M Waterproof for Outdoor Enthusiasts Parameters Model： T2576MS Movement: Quartz Movement (VH31) Case Material: Titanium Case Diameter: 37mm Lug to Lug Distance: 42mm Thickness: 9mm Strap Material: Titanium Strap Width: 20mm Wearable Length: 190mm(7.48inch) Lens: Sapphire Glass Luminous:luminous Hands Water Resistant: 5ATM Waterproof Weight: 75g Features 1. Japanese VH31 sweep second quartz movement,accurate, reliable and durable. 2. Sapphire glass,high light transmittance,scratch resistance. 3. Super luminous hand , easy read the time day and night. 4. Titanium case and strap ,wear-resistant ,trong corrosion resistance, very lightweight and very comfortable to wear. 5. 50M (5ATM) Waterproof,convenient for daily use. Please click on this image if you need a replaceable strap