STEELDIVE Men's Automatic Diving Watch - 200m Water Resistant Mechanical Wristwatch with Luminous Kanagawa Wave Dial, Ceramic Bezel & Sapphire Crystal - Perfect for Scuba Diving, Snorkeling and Water Sports

Product Model:SD1970J Japan NH35 Automatic Movement Movement Feature:24 Jewels, 41 Hours Power Reserve, 21600/h (3Hz) Frequency, Bidirectional Self Wind Case Material:316L Stainless Steel Case Craft:Matting Back Material:316L Stainless Steel Back Cover:Screw-in Back Cover Case Diameter:43.8mm Case thickness:12mm Strap Width:20mm Weight:114g Strap Material:Rubber / Stainless Steel Strap Mirror Material:Synthetic Sapphire Mirror Mirror Coating:Anti-Reflective Blue Coating Mirror Size:32*2.7mm (Diameter*Thickness) Crown Style:Screw-in Crown Crown Diameter:7mm Bezel Size:38*32.1*0.5mm(Outer Diameter*Inner Diameter*Thickness) Bezel:Unidirectional Rotation Ceramic Bezel Luminous:Swiss C3 Luminous Water Resistant:200m Hands Length:8*12*12mm（Hour Hand*Minute Hand*Second Hand）