Seiko SRPE33 Prospex Diver Men's Watch DetailsPart of the Prospex collection, this automatic diver watch features a "Manta Ray" themed gradient blue dial with stamped wave pattern. It is paired with a black ceramic one-way rotating elapsed timing bezel.Additional technical details include a power reserve of approximately 41 hours, 23 jewels, and a magnified date calendar.Specifications Collection: Prospex "Manta Ray" themed gradient blue dial with stamped wave pattern Movement: Automatic Diver Movement: Manual and automatic winding 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: 44.0 mm 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 Included with your purchase: 3-year SEIKO USA warranty card included.