James Porter & Son are official UK stockists of Seiko Prospex watches. Seiko Prospex are a collection deigned for sports and adventure seekers, whether you prefer deep sea diving of flying, Seiko Prospex have been designed to withstand it all. Ever since Seiko launched their first dive watch in 1965, they have pioneered break throughs in technology to continually be the go-to sports watch. Our range of Prospex models below are all available online or in store.