The One - Goa Wave - Binary Time Watch - Made of high quality stainless steel, with a superior brushed stainless steel finish and comes with a soft genuine leather strap. It is water resistant to 3 ATM (90 feet). - The Goa Wave is packaged in a tin box. - Specifications: Case Material: Stainless Steel - Battery type: CR2032 (Battery works for 12-16 months depending on LED usage) - Water Resistant to 3 ATM (30 meters or 90 feet) - Case Dimensions- Width 38 X height 40 mm - Genuine Leather Strap - Red and Blue LEDs