Invicta Men's 6640 S1 Collection GMT Black Rubber Watch Precise Swiss-quartz movement Durable flame-fusion crystal; stainless case with black rubber cover; black rubber strap 60 second subdial; date function Blue and red stripe dial with black and white hands and yellow arabic numerals; luminous; GMT function; big date display at 6:00 Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving