Zenith Pilot Montre d'Aeronef Type 20 GMT 48MM Titanium Black Dial 50 hour Power Reserve Automatic Brown Calfskin 96.2431.693/21.C738 887E14 Black DLC titanium case with a brown (calfskin) leather cuff strap. Fixed black DLC titanium bezel. Black dial with ruthenium hands and Arabic numeral hour markers. Minute markers. 24 hour (GMT) markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Seconds sub-dial at the 9 o'clock position. Automatic movement with a 50 hour power reserve. Scratch resistant sapphire crystal. Solid case back. Case diameter: 48 mm. Case thickness: 15.80 mm. Round case shape. Tang clasp. Water resistant at 100 meters / 330 feet. Functions: hour, minute, second. Additional Info: case back is engraved with Zenith aviation instruments.