Back of watch marked CARTIER WATER REISTANT 18K 136174 CD 2403. Purchased new. Single original owner. In very good working condition. 18 K gold / weight of the watch 73 gm Comes with original box. Box with some blemishes, otherwise in good condition. It is 6 inch , so it will fit up to wrist of 6 inches 100% AUTHENTIC GUARANTEED Brand: Cartier Box & Papers: Cartier box Working Condition: Running strong and keeping accurate time. Authenticity: 100% authentic I do not have great knowledge of watch