CARNIVAL Men's Tritium Watch Blue Light Swim Sapphire Glass Stainless Steel Analog Quartz Luminous Watches Imported Fashion style for men, tritium Luminous , Easy to read in the dark place H3 tritium light source technology, continuous light up to 25 years,Do not need any electricity Upgraded version of the Swiss movement,whit day-week function,Travel time accurate,case diameter:40MM/1.57inch Solid stainless steel case and band,Comfortable to wear The powerful features and super waterproof design ideal for outdoor sports and work at night, and as a gift You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it! Covers broken watchband, movement failures, cracked crystal, bezel damage and more. Includes a 1-time refurbishment. No deductibles or hidden fees. Free shipping on all repairs. Fully transferable. Easy claims process online or by phone 24/7. If we can't fix it, we will send you an Amazon e-Card for full replacement value. Coverage begins date of purchase and is inclusive of the manufacturer's warranty. Plan is fully refunded if canceled within 30 days. Plan contract will be emailed from Asurion within 48 hours of purchase. This will not ship with your product.