Seiko Prospex x Automatic ft. 1965 Heritage aka Fan-Selected (Limited Edition of 4,500 Pieces) Men Diver Round 300m Water Resistant Watch HBC011J1 HBC011 HBC-011 HBC-011J1 Discover the Seiko Prospex HBC011, a fan-selected limited edition inspired by the sunlit blue of the daytime sea. Its vivid blue wave-patterned dial and matching bezel reinterpret the iconic 1965 diver design, framed by stainless steel and curved sapphire crystal. Powered by automatic caliber 6R55 with a 72-hour reserve, it delivers 300m diver water resistance and LumiBrite legibility. 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 adjuster) 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 Fan-Selected (Limited Edition of 4,500 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)