The Luminox Leatherback SEA Turtle Outdoor Watch is a go-anywhere timepiece built to last. The 39mm CARBONOX case keeps the watch waterproof to a depth of 100m. The Luminox Light Technology lighting system illuminates the hands and 6 orientating indicators along the edge of the dial for nighttime viewing. The space for the 3 hour mark instead features a date window. A unidirectional rotating bezel features etched 5-second interval marks. The bezel's 0/60 marker displays a dot that glows in the dark. The 19mm silicone strap closes via a stainless steel buckle. Imported.Manufacturer model #: XS030. 39mm CARBONOX case Waterproof to 100m Luminox Light Technology for nighttime viewing Date window Unidirectional rotating bezel with etched second markers 19mm silicone strap with stainless steel buckle