Seiko Presage x Automatic ft. GMT Cocktail Time aka Skydiving Men Formal Round 50m Water Resistant Watch SSK037J1 SSK037 SSK-037 SSK-037J1 Discover the Seiko Presage Cocktail Time SSK037, inspired by the Skydiving cocktail with an ice blue gradient dial and true GMT function. Powered by the automatic 4R34 movement, this elegant timepiece features a stainless steel case, box-shaped Hardlex crystal, and 50m water resistance for the discerning global traveler. Caliber Number / Movement 4R34 (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: 12.8 mm Diameter: 40.5 mm Length: 47.5 mm Lug width: 20.0 mm Other Specifications Seiko Presage x Automatic ft. GMT Cocktail Time aka Skydiving Made in Japan Magnetic resistance (4,800 A/m) See-through case back Screw case back 24 jewels Date and 24-hour (GMT dual time) display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)