Black ion plated stainless steel case with a black ion plated stainless steel bracelet. Black dial with silver-tone hands and index hour markers. Tachymeter. Dial Type: Analog. Luminescent hands and markers. Date display between 7 and 8 o'clock position. Three- 60 seconds, 1/20 second, 24 hours. Quartz movement. Scratch resistant mineral crystal. Screw down crown. Solid case back. Case size: 50.8 mm x 45.1 mm. Case thickness: 12.1 mm. Round case shape. Buckle clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second. Sport watch style. Item Variations: EF550PB 1AV, EF550PB.1AV, EF550PB1AV. Casio Edifice Black Dial Chronograph Mens Watch EF550PB-1AV.