Prospex x PADI Special Edition SRPA83Stainless steel and ceramic case; silicone strap.  PADI Professional Association of Diving InstructorsSince the launch of the first diver's watch in 1965, Seiko's innovative new Technologies and Designs made diving safer and easier for the Professional and the recreational diver alike.to name few Seiko innovations 1975 World's first Titanium diver's watch1986 World's first diver's watch with ceramic outer case2000 World's first Nitrox Dive Computer watchFew months after Seiko's first diver watch release ,two America dive Enthusiasts decided thatstandards of training in diving needed to be raised and founded   PADIProfessional Association of Diving Instructors Over the past 50 years PADI has became the world's most trusted scuba diving training Organization Seiko and PADI share a passion for ensuring the safety and enjoyment of divers and protection of marine environment.to Celebrate and promote this partnership NEW Prospex PADI Special Editions are released. 3  YEAR WARRANTY AUTHORIZED DEALER