Casio Edifice x Automatic ft. Forged Carbon Men Formal Round 100m Water Resistant Watch EFK-100CD-1A EFK100CD EFK100 EFK-100 EFK-100CD Experience the high-performance Edifice EFK-100CD with forged carbon dial inspired by elite sports cars. This premium 39mm watch features a mechanical movement with 40-hour power reserve, exhibition case back, sapphire crystal, and 100m water resistance. Perfect for automotive enthusiasts seeking luxury and technical innovation. Module / Movement 5755 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 40 hours (+45 to -35 seconds per day) Crystal Sapphire crystal Luminous Luminous on hands Case / Band Material Stainless steel case, forged carbon dial with stainless steel band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 12.5 mm Diameter: 39.0 mm Length: 43.5 mm Lug width: Integrated Other Specifications Casio Edifice x Automatic ft. Forged Carbon Magnetic resistant See-through back case Screw case back 24 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)