Seiko Prospex x Automatic ft. 1968 Heritage aka Navigator Timer Reissue (Limited Edition of 4,000 Pieces) Men Formal Tonneau 100m Water Resistant Watch SPB411J1 SPB411 SPB-411 SPB-411J1 Discover the Seiko Prospex SPB411 Navigator Timer, a modern reissue of the 1969 classic designed for aviation and motorsports. This 38.5mm stainless steel watch features a bidirectional rotating bezel, Seiko 6R54 movement with 72-hour power reserve, and a striking sunburst dial. With 200m water resistance and a vintage-inspired design, it is perfect for pilots, racers, and watch enthusiasts alike. Caliber Number / Movement 6R54 (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 (super hard coating) case with stainless steel band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 12.6 mm Diameter: 38.5 mm Length: 45.2 mm Lug width: 19.0 mm Other Specifications Seiko Prospex x Automatic ft. 1968 Heritage aka Navigator Timer Reissue (Limited Edition of 4,000 Pieces) Made in Japan LIMITED EDITION on the case back Serial number engraved on the case back Bidirectional rotating bezel Screw case back 24 jewels Date and 24-hour (GMT dual time) display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)