Seiko Prospex Solar Powered 200m diver's mens watch SNE597P. Sapphire Glass. Case size 41mm. The Seiko SNE597P 200m WR watch, in a classic diver’s style, showcases Seiko’s diving watch heritage, developed since 1965 when the brand created Japan’s first ever diver’s watch. Under a scratch-resistant sapphire crystal glass of the SNE597P