Invicta Men's 10306 Pro Diver Mechanical Blue Skeleton Dial Watch Mechanical hand wind movement Flame-fusion crystal; stainless steel case and bracelet 60 second subdial Blue skeleton dial with silver tone hands and black hour markers; luminous; unidirectional stainless steel bezel with black ring and blue arabic numerals; exhibition case back; interchangeable black polyurethane strap included Water resistant to 165 feet (50 M): suitable for swimming and showering