Features: 316L Stainless Steel Case Stainless Steel Bracelet Automatic Movement Caliber: Seiko NH35 Power Reserve Up To 40 Hours Sapphire Crystal With Anti-Reflective Coating Ice Blue Dial Stainless Steel Bezel With Black Aluminum Ring Unidirectional Rotating Bezel Stainless Steel Screw Down Crown Analog Display Luminous Hands And Markers Date Window At 3 O'Clock Screwed Solid Case Back (With Engraved Image Of A Free Diver) Regular Diver Style Clasp: Fold-Over Lock And Two-Button Deployment 200M Water Resistance Approximate Case Diameter: 40.00 mm (Without Crown) Approximate Case Diameter: 43.50 mm (With Crown) Approximate Case Thickness: 13.00 mm Approximate Lug Width: 20.00 mm Â