The Cartier Drive De Cartier Moonphase Indicator Watch is composed of a 41mm round shaped stainless steel case and black leather strap with a traditional buckle. It has a silver analogue dial with a date display, which is protected beneath scratch resistant sapphire crystal glass. Power is generated by the automatic movement. This model is also splash resistant. - Model Number 3931 - Serial Number *****8WX Click here to view our entire Second Hand Watch collection Alternatively, to make enquiries or view items in person please call or visit your local T.H. Baker store. Click here to find your nearest store