Seiko SRPE03 Prospex Diver Men's Watch DetailsPart of the Prospex collection, this automatic diver watch features a black ceramic one-way rotating elapsed timing bezel. It is paired with a black dial with 3-D pressed pattern.Additional technical details include a power reserve of approximately 41 hours, 24 jewels, and a magnified day/date calendar.Specifications Collection: Prospex Movement: Manual and automatic winding 21,600 vibrations per hour Power reserve: approximately 41 hours 24 jewels Black ceramic one-way rotating elapsed timing bezel Black dial with 3-D pressed pattern Magnified day/date calendar LumiBrite hands and markers Sapphire crystal with anti-reflective coating on the inner surface Screwdown crown and caseback Case diameter: 45.0 mm Stainless steel case and bracelet Water resistance: 200 meters (660 feet), Diver’s Watch. Follows ISO standards and is suitable for scuba diving Caliber: 4R36 Included with your purchase: 3-year SEIKO USA warranty card included.