Prospex Save the Ocean Special Edition • Special Edition supporting conservation efforts to save the ocean • Gradient die-stamped dial evoking the whites and blues of light reflecting off Antarctic ice and the patterns of penguin footprints in the snow • Automatic diver with manual winding capability • 21,600 vibrations per hour • Power reserve: approximately 41 hours • 24 jewels • Bold, grooved unidirectional rotating elapsed timing bezel inspired by a classic Prospex design • Magnified day/date calendar • LumiBrite hands and markers • Screwdown crown and caseback • Case diameter: 42.4mm • Stainless steel case and bracelet • Water-resistant to 200 meters (660 feet), Diver’s Watch. Follows ISO standards and is suitable for scuba diving • Caliber 4R36