Everything that a professional instrument for deep-sea diving should be, this watch has a titanium case, sapphire crystal with interior anti-reflective coating, unidirectional rotating bezel, and screw-in security crown. It’s a lifeline for lovers of the deep – and a must-have for enthusiasts of leading edge technology. Model features:Reference: 678.7598.71.84.SETCase: Multi-piece titanium case, minutes scale top ring Dial: Black dial printed wave structure Strap/Bracelet: Multi-piece Titanium metal bracelet, security folding clasp with extension
