The Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition SPB545J1 is inspired by the vibrant hues of Okinawa's ocean waters. This limited edition timepiece features a blue sunburst dial that reflects light, reminiscent of sunbeams on the sea surface. The 40mm stainless steel case houses the automatic Caliber 6R55 movement, offering a 72-hour power reserve. Designed for professional diving, it boasts a water resistance of 300 meters, a unidirectional rotating bezel, and a screw-down crown. The watch is limited to 4,000 pieces worldwide. Reference number: SPB545J1.