Seiko SRPL51 Prospex Diver WatchPart of the Prospex collection, this automatic diver watch features a date display and LumiBrite hands, markers and bezel. It is paired with a unidirectional timing bezel with screw-down crown and caseback.Additional technical details include ISO-compliant 200 m diver's water resistance, water resistance to 200 meters / 20 bar diver's, and a power reserve of approximately 41 hours.Specifications Movement: Automatic caliber 4R35 with manual winding and approximately 41-hour power reserve Date display and LumiBrite hands, markers and bezel Unidirectional timing bezel with screw-down crown and caseback ISO-compliant 200 m diver's water resistance Collection: Prospex Movement: Automatic with manual winding, caliber 4R35 Dial: Blue Case diameter: 41.7 mm Case thickness: 12.3 mm Crystal: Hardlex Band: Stainless steel bracelet Water resistance: 200 meters / 20 bar diver's Power reserve / battery: Approximately 41 hours Included with your purchase: 3-year SEIKO USA warranty card included.