Tag Heuer Micrograph, a stainless steel digital display chronograph wristwatch ref CS111B TU3206, recent. Dial: rectangular digital display. Calibre: quartz. Case: stainless steel polished curved case. Case number: limited edition 064/999. Closure: Tag Heuer deployant clasp and black rubber strap. Dimensions: 41 x 38 mm. Signed: case, dial and movement. Accessories: none. This limited edition watch features a Swiss electronic movement offering remarkable 1/1000th of a second precision. Developed through the brand's association with professional sports timing, the Micrograph is the result of technology tailored to the demands of Formula One motor-racing. It was celebrated as the first accurate wristwatch to provide a 1/1000 second timer as required for Formula One Racing.