Swiss Quartz movement White dial Bracelet/strap: 18mm wide Anti-reflective sapphire crystal Push-pull crown Stainless steel bracelet Stainless steel case Case: 36mm x 8mm Water-resistant up to 50 meters Manufacturer's limited warranty It is customary to treat most gemstones to achieve enhanced color and durability. Some of these treatments may not be permanent, and may require special care.