Prospex Save the Ocean Special EditionSpecial Edition supporting conservation efforts to save the oceanGradient die-stamped dial evoking the whites and blues of light reflecting off Antarctic ice and the patterns of penguin footprints in the snowAutomatic diver with manual winding capability21,600 vibrations per hourPower reserve: approximately 41 hours24 jewelsBold, grooved unidirectional rotating elapsed timing bezel inspired by a classic Prospex designMagnified day/date calendarLumiBrite hands and markersScrewdown crown and casebackCase diameter: 42.4mmStainless steel case and braceletWater-resistant to 200 meters (660 feet), Diver's Watch. Follows ISO standards and is suitable for scuba divingCaliber 4R36