Sale! Hamilton Certified Pre-Owned watches have been expertly restored by our factory trained watchmakers. Our Pre-Owned watches are accompanied by a two year warranty. Stainless steel and titanium case with red stitched black rubber strap. The patented timezoner® movement features a miniature high-tech clutch and a complex gear-train, which enables the wearer to re-set the watch in an instant, with no loss of accuracy. The bezel features all major racing tracks with a reference ‘GP’ indicating whether a Formula 1 Grand Prix takes place during standard time or Daylight Savings Time (summer time).