Aluminium case with a aluminium bracelet. Fixed aluminium bezel. Yellow dial with luminous hands and index hour markers. Minute markers. Tachymeter around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph - three black sub-dials displaying: 60 second, 30 minute and 1/10th of a second. Quartz movement. Scratch resistant mineral crystal. Solid case back. Case diameter: 45 mm. Case thickness: 14 mm. Round case shape. Band width: 20 mm. Fold over clasp with safety release. Water resistant at 30 meters / 100 feet. Functions: chronograph, date, hour, minute, second. Casual watch style. Swatch Darkony Chronograph Yellow Dial Aluminium Mens Watch YYS4002AG.