Seiko Presage x Automatic ft. Cocktail Time aka Aviation Men Formal Round 50m Water Resistant Watch SRPJ13J1 SRPJ13 SRPJ-13 SRPJ-13J1 Discover the Seiko Presage Cocktail Time with a stunning gradation blue dial inspired by the Aviation cocktail. Features a 41-hour automatic movement, box-shaped crystal, and stainless steel case with deployment clasp. Combines Japanese craftsmanship with modern Tokyo lounge elegance and 50m water resistance. Caliber Number / Movement 4R35 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 41 hours (+45 to -35 seconds per day) Crystal Hardlex crystal (curved) Luminous Nil Case / Band Material Stainless steel case with stainless steel band (deployment clasp with push-button release) Water Resistance 50m / 5 bar Case Size Thickness: 11.8 mm Diameter: 39.5 mm Length: 46.0 mm Lug width: 20.0 mm Other Specifications Seiko Presage x Automatic ft. Cocktail Time aka Aviation Made in Japan See-through case back Screw case back 23 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)