Seiko Prospex Save the Ocean Turtle Series #SRPD21J1 Blue Dial Black Blue Bezel Stainless Steel Case and Stra 200m Water Resistance Day and Date Display Hardlex Crystal Analog Display Automatic Movement with Manual Winding Capacity Caliber 4R36 24 Jewels Unidirectional Rotating Bezel Screw Case Back Screw-Down Crown Lumibrite on Hands and Indexes Approx. 41 Hours Duration Approximate Case Diameter: 45mm Approximate Case Thickness: 13mm with Warranty Packaging: supplied in standard Seiko packaging. This applies to all models, including Special and Limited Editions.