This is an authentic TIFFANY & CO Stainless Steel Diamond Grand Resonator Watch. This stylish watch is crafted of stainless steel. In the classic style there is an elongated casing with a diamond bezel and black numerals. The watch features quartz movement. This is an excellent watch with the unforgettable style of Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.