The Rolex Yacht-Master is the only timepiece in the brand’s collection of professional series watches that offers a ladies and mid-size case option. The ref. 168623 that you see here today is a desirable mid-size variation that features a 35mm case size as well as a Yellow Rolesor Oystersteel and 18 karat yellow gold finish and a striking dial topped with gold-trimmed luminous plots and Mercedes hands. This newer preowned Rolex also boasts a chronometer-rated calibre 2235 Perpetual movement and offers waterproofness up to 100 meters via a process that includes screwing the case back and waterproof crown into the Monobloc middle case. If you’re in the market for a smaller tool watch with exceptional Rolex sports watch style, the ref. 168623 that is presented here today may be the perfect watch for your wrist.