Two Tone1 Professional Divers Regulator 1000M Mechanical Automatic Movement, Decentralised Displays Of Hours and Seconds, Minutes at the Centre, Date Window at 6 O’Clock, Black Dial with Raised Indices with Luminous Tritium Inlay, Bold Hands Filled with Luminous Tritium, Massive Titanium Case, Unidirectional Divers Topaz Ring, 4.70mm Thick Curved Sapphire Crystal with Inside Anti-Reflex Coating, Screwed Titanium Crown at 4 O’Clock, Screwed Helium Valve at 2 O’Clock, Water Resistant 1000M, Massive Screwed Titanium Back, Black Rubber Strap with Vertical Grooves and Extensible Folding Clasp Or Massive Titanium Bracelet with Progressive Thickness and Extensible Folding Clasp.