Prospex Save the Ocean Special Edition "Manta Ray" themed gradient blue dial with stamped wave pattern Automatic Diver Manual and automatic winding capabilities 21,600 vibrations per hour Power reserve: approximately 41 hours 23 jewels Black ceramic one-way rotating elapsed timing bezel Magnified date calendar LumiBrite hands and markers Sapphire crystal with anti-reflective coating on the inner surface Screwdown crown and Special Edition caseback Case diameter: 44.0mm Stainless steel case and bracelet Water Resistance: Diver's Watch 200 meters (660 feet). Follows ISO standards and is suitable for scuba diving Caliber 4R35
