Seiko Prospex x Automatic ft. Sumo aka Asia-Pacific Exclusive aka Sandbank of the Maldives (Limited Edition of 1,700 Pieces) Men Diver Round 200m Water Resistant Watch SPB539J1 SPB539 SPB-539 SPB-539J1 Discover the Seiko Prospex Nature Wonders 2025 Asia-Pacific Limited Edition dive watch series SPB539, SPB541, SPB543. Nicknamed for their stunning natural inspirations: Pink Lake (Australia), Blue Fire Crater (Indonesia), and Sandbanks of the Maldives. Featuring vibrant dials, 200m water resistance, 6R35 automatic movement with 70-hour power reserve. Limited to a total of 5,500 pieces worldwide. Caliber Number / Movement 6R35 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 70 hours (+25 to -15 seconds per day) Crystal Sapphire crystal Luminous LumiBrite on hands, indexes and bezel Case / Band Material Stainless steel case with silicone band Water Resistance 200m / 660ft diver Case Size Thickness: 12.9 mm Diameter: 45.0 mm Length: 52.6 mm Lug width: 20.0 mm Other Specifications Seiko Prospex x Automatic ft. Sumo aka Asia-Pacific Exclusive aka Sandbank of the Maldives (Limited Edition of 1,700 Pieces) Made in Japan LIMITED EDITION on the case back Serial number engraved on the case back Unidirectional rotating bezel Screw-down crown Screw case back 24 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)
