500 Fathoms !!!!Model :.....Polished Stainless Steel 316 Casework, White dial, Superlume ( As Claim by Maker) Bezel Diver Indexes, Arrowed Markers and Needles, Nylon Strap with Insignia Tang Buckle,Unidirectional Rotating Diver Bezel, .Movement:Nickle Plated Japanese Miyota 9015 Automatic Movement, 21J, 28800bph, Insignia 3 Blade RotorFunctions: Hours, Minutes, Seconds, Date Dimensions : Dia 45mm x 16mm Thk Material : 1 piece forged case construction, solid 316F stainless steel Back : Display case back with Engraving Crown : One-piece screw down crown with o ring Crystal: Double Radius Dome Sapphire crystal, AR Coated , Double Sided Water Resistant