Seiko Presage x Automatic ft. 1964 Crown Chronograph aka Style60s Men Formal Round 50m Water Resistant Watch SSA449J1 SSA449 SSA-449 SSA-449J1 Discover the Seiko Presage Style60 SSA449J1 automatic watch, inspired by the 1964 Crown Chronograph. Features a vintage black dial, box-shaped hardlex crystal, power reserve indicator, and 4R57 movement with 41-hour power reserve. Housed in a 40.8mm stainless steel case with LumiBrite illumination. Caliber Number / Movement 4R57 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 41 hours (+40 to -20 seconds per day) Crystal Hardlex crystal (curved) Luminous LumiBrite on hands and indexes Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with push-button release) Water Resistance 50m / 5 bar Case Size Thickness: 14.3 mm Diameter: 40.8 mm Length: 48.9 mm Lug width: 20.0 mm Other Specifications Seiko Presage x Automatic ft. 1964 Crown Chronograph aka Style60s Made in Japan See-through case back Screw case back 29 jewels Date display Power reserve indicator Stop second hand function (hacking mechanism) Regular timekeeping (analog display)