Seiko watch prospex padi automaticdiver special edition srpa21k1 seiko watches have been supplying divers timepieces to both professional and recreational divers since 1965 earning a valued trust within the diving community they have revealed some of the best innovations within the industry including the first titanium divers watch in 1975 and the first nitrox divers watch in 2000 a few months after the first seiko divers watch was released two american dive enthusiasts founded the prof