18ct Rose Gold Girard Perregaux WW.TC Chronograph 49800. Case diameter 43mm. Water resistant to 50 meters. Automatic GP Caliber GP033C0 movement, 28,800vph, 63 jewels, power reserve of 46 hours. Grey dial and sub dials. Functions: Hour, minute, small second, world time with day/night indicator, chronograph, date, global stock market trading times. Sapphire crystal see through case back. Black croc strap with folding clasp. Box and papers dated September 2009. Our reference S17694.