Seiko Presage x Automatic ft. 55th Anniversary Chronograph (Limited Edition of 1,000 Pieces) Men Formal Round 100m Water Resistant Watch SRQ031J1 SRQ031 SRQ-031 SRQ-031J1 Discover the Seiko Presage Chronograph 55th Anniversary Limited Edition SRQ031, honoring Japan first chronograph from 1964. Features a 42.3mm stainless steel case with vintage-inspired champagne dial, column-wheel chronograph movement, and rotating bezel. Includes luxurious dauphine hands and cordovan leather strap. A historically significant limited edition timepiece. Caliber Number / Movement 8R48 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 45 hours (+25 to -15 seconds per day) Crystal Sapphire crystal (curved, anti-reflective coating) Luminous LumiBrite on hands and indexes Case / Band Material Stainless steel (super hard coating) case with leather (cordovan) band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 15.3 mm Diameter: 42.3 mm Length: 49.3 mm Lug width: 20.0 mm Other Specifications Seiko Presage x Automatic ft. 55th Anniversary Chronograph (Limited Edition of 1,000 Pieces) Made in Japan LIMITED EDITION on the case back Serial number engraved on the case back Unidirectional rotating bezel See-through case back Screw case back 34 jewels Date display Chronograph up to 12 hours and 30 minutes in 1/5-second increment Equipped with small second hand Stop second hand function (hacking mechanism) Regular timekeeping (analog display)