President Obama has worn the Jorg Gray 6500 Chronograph on many historic occasions since August 2007 and most recently as President of The United States, with sightings including Election Night, the Inaugural Ball and Inauguration Day. Specifications Case Size: 41 mm Case Thickness: 14.1 mm Case Material: Stainless steel Case-Bezel Color: Silver Dial Color: Black Watch Lens: Scratch-Resistant Mineral Crystal Movement: High Precision Japanese Complication: Chronograph Band Type: Stainless Steel – Silver Watch Case: Back Screw down Water Resistance: 100 meters Gender: Male