Stainless steel case with a brown leather strap. Fixed 18kt rose gold bezel. Silver dial with luminous gold-tone hands and index hour markers. Minute markers. Tachymeter scale appears around the outer rim. Dial Type: Analog. Luminescent hands and markers. Two sub-dials displaying: small seconds and 30 minutes. Power reserve display. Automatic movement with a 50-hour power reserve. Scratch resistant sapphire crystal. Skeleton case back. Case diameter: 42 mm. Case thickness: 17 mm. Tang clasp. Water resistant at 100 meters/ 330 feet. Functions: hours, minutes, seconds, tachymeter, 50 hour power reserve. Luxury watch style. Zenith Chronomaster Open Reserve Two-tone Automatic Men's Watch 512080402101C494.