Seiko Prospex x Automatic ft. 1965 Heritage aka 62MAS Reissue aka 60th Anniversary (Limited Edition of 6,000 Pieces) Men Diver Round 300m Water Resistant Watch SPB511J1 SPB511 SPB-511 SPB-511J1 Celebrate 60 years of Seiko Prospex innovation with the SPB511 Limited Edition diver watch. Featuring a vintage-inspired design, modern 6R55 movement (72h aka 3 days power reserve), and 300m water resistance, this collector piece honors Seiko legacy of precision dive watches. With a unique dial, sapphire crystal, and exclusive anniversary branding, it is a must-have for horology enthusiasts. Caliber Number / Movement 6R55 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 72 hours (+25 to -15 seconds per day) Crystal Sapphire crystal (curved, anti-reflective coating) Luminous LumiBrite on hands, indexes and bezel Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with secure lock, push-button release with slide extender) Water Resistance 300m / 1,000ft diver Case Size Thickness: 13.0 mm Diameter: 40.0 mm Length: 46.4 mm Lug width: 20.0 mm Other Specifications Seiko Prospex x Automatic ft. 1965 Heritage aka 62MAS Reissue aka 60th Anniversary (Limited Edition of 6,000 Pieces) Made in Japan LIMITED EDITION on the case back Serial number engraved on the case back Magnetic resistance (4,800 A/m) Unidirectional rotating bezel Screw-down crown Screw case back 24 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)