This Rolex watch has a well made 18kt yellow gold case with an oyster bracelet. It has a synthetic sapphire crystal which protects its 31 jewel chronometer movement as well as its black dial with stick hour markers. It has a domed 18kt yellow gold bezel. The date will display at the 3 o clock position and that date will continue to accurately display and the time shall always be right, as long as you wear the watch on a daily basis. Said simply, this watch has a perpetual movement which means that it is powered by the movements of the wearer, and it can store many hours of power for when the watch isnt moving. (such as when you sleep) Rolex Model Number 118208.