Yellow gold-tone alloy case with a brown leather strap. Fixed yellow gold-tone alloy bezel. Black dial with luminous yellow gold-tone hands and alternating Roman numeral and index hour markers. Tachymeter markers around the outer rim. Dial Type: Analog. Three multi-function sub-dials displaying: date, day of the week and 24 hour. Quartz movement. Scratch resistant mineral crystal. Pull / push crown. Solid case back. Round case shape. Case size: 41 mm. Case thickness: 12 mm. Band width: 22 mm. Band length: 7.5 inches. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: date, day, hour, minute, second, tachymeter. Enterprise Series. Casual watch style. Akribos XXIV Enterprise Quartz Black Dial Mens Watch P50136.