As one the most popular watches, Ulysse Nardin GMT Big Date Luxury Mens 221-88-8 Automatic Yellow 18k Yellow Gold watch is very hot. It has very powerful Automatic which guarantee it has reliable performance. In addition to great quality, the Round shape watch has great 18k Yellow Gold case, stylish Yellow 18k Yellow Gold bracelet and readable Silver dial. The 40mm Mens watch also comes with innovative design and water resistant function.