Stainless steel case with a stainless steel bracelet. Stainless steel bezel with a black top ring. Black dial with luminous black hands and index hour markers. Arabic numerals mark the 3, 6, 9 and 12 o'clock positions. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display between the 4 and 5 o'clock positions. Chronograph - three sub-dials displaying: 60 second, 30 minute and 24 hours. Quartz movement. Scratch resistant mineral crystal. Screw down crown. Solid case back. Case size: 47 mm. Round case shape. Deployment clasp with a push button release. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second. Sport watch style. Nautica NST 450 Chronograph Black Dial Mens Watch NAI21506G.