SEIKO Prospex SBDY079 SRPF77K1 Save the Ocean Special Edition International VersionProduct Highlights Authentic IPPO JAPAN WATCH watch. Japanese domestic market (JDM) edition. Product Description h2> Seiko Prospex challenges every limit, with a collection of timepieces for sports lovers and adventure seekers whether in the water, in the sky or on land. We are constantly striving to bring ever greater reliability and safety to both professional and recreational divers. Size Thickness 13. 2 L, Diameter: 45 L, Length: 47. 7 L, Weight