Omega Seamaster Co-Axial with Stainless steel case and a stainless steel bracelet. Fixed stainless steel bezel. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Automatic movement. Omega caliber 8500 engine. Scratch resistant sapphire crystal. Screw down crown. Transparent case back. Case diameter: 39 mm. Case thickness: 13.5 mm. Round case shape. Band width: 21.6 mm. Band length: 8 inches. Fold over with safety release clasp. Water resistant at 150 meters / 500 feet.