This is a genuine 2006 Swiss made Rolex watch, which features a 25 jewel movement. The body of the watch is composed of 440 high grade stainless steel and it has solid 18k gold on 2-toned models, which are triple wrapped with 18l gold on gold models. The links have solid ends, to keep a good sturdy form. The buckle is gold thru on the 2-toned models. Naturally the markings on its black dial are covered by a sapphire crystal, to protect your favorite time-piece. As with other Day Date models, this one has an engraved serial number as well as a green holographic sticker to prove its authenticity to the wearer.(for even further authenticity, this watch comes with its box, and of course its paperwork. This time piece is water proof up to 30 meters.