This is an authentic HARRY WINSTON 18K White Gold Satin Diamond Sapphire 21mm Avenue Quartz Watch. This watch is crafted of 18 karat white gold and features a black dial, diamond and sapphire accented bezel, black satin strap, sapphire crystal, and a quartz movement. Follow this item for alerts. Harry Winston is a registered trademark of Harry Winston. FASHIONPHILE is not affiliated with Harry Winston.