Vacheron Constantin Overseas Chronograph 42MM Stainless Steel Blue Dial Blue Rubber Strap 40 Hour 49150/000A-9745 NEWA8C Stainless steel case with a blue leather strap. Blue dial with index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 12 o'clock position. Chronograph - three sub-dials displaying: 12 hour, 30 minute and 60 second. Automatic chronograph movement. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Case diameter: 42 mm. Case thickness: 12.45 mm. Round case shape. Deployment clasp. Water resistant at 150 meters/500 feet. Functions: date, hour, minute, small seconds, column-wheel chronograph with 12-hour and 30-minute counters.