Silver-tone stainless steel case with a silver-tone stainless steel bracelet. Fixed stainless steel with a blue aluminium ring showing tachymeter markings bezel. Blue dial with luminous silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph - sub-dials displaying: three - 12 hours, 30 minutes, small seconds. Omega Calibre 1861 automatic movement with a 48-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 42 mm, case thickness: 14 mm. Band width: 20 mm, band length: 7.75 inches. Fold over clasp. Water resistant at 50 meters / 165 feet. Functions: chronograph, tachymeter, hour, minute, small second. Additional Info: limited to 2020 units. Luxury watch style. Watch label: Swiss Made. Omega Speedmaster Tokyo 2020 Olympics Chronograph Hand Wind Blue Dial Mens Watch 522.30.42.30.03.001.