Seiko Prospex SRPD21 SRPD21J1 SRPD21K1 Turtle WatchSRPD21J1 SRPD21J Seiko Save the Ocean Prospex Turtle Watch Specifications: Seiko Prospex Save the Ocean Turtle Series #SRPD21 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 Unidirectional Rotating Bezel Screw Case Back Screw Down Crown 24 Jewels Lumibrite on Hands and Indexes Approx. 41 Hours Duration