YELANG v3.3 Plus Super Bright Tritium Gas Blue Luminous Sapphire Glass Titanium Alloy Strap and Case Men Automatic Mechanical Watch Imported Swiss H3 Super Bright Tritium Gas Auto Luminous System Titanium Alloy Case And Strap(Include a extra original leather band) 100m Waterproof automatic mechanical movement Anti Glare Sapphire Glass