Rolex Oyster Perpetual Date - Superlative Chronometer Officially Certified with Blue dial. This is model reference 16220. It is the classic Datejust which is one of the most successful Rolex models of all time with Flutted bezel. It has a stunning polished and the classic baton markings. It has a sapphire crystal and is a waterproof. This is the classic Rolex Oyster design and the one that made the company famous and represents who they are today. Large Rolex crown logo at 12 and Rolex signed winding crown. The crown is screwed down for water resistance. Oyster bracelet and smooth bezel, and is the all time classic looking Rolex wristwatch. Automatic winding Rolex movement. Magnified date window at the 3 position. It is a full size gents watch. No box or papers, but guaranteed one hundred percent authentic and genuine. Width is 36 mm excluding crown, 38 mm including crown and 44 mm lug to lug. Thickness is 12 mm.