1980's Era Cartier Ronde Pre Must de Ref. 21715 in .925 Sterling Silver Ladies Sized Watch. Features an all Original White Cartier Dial in Good Condition, Printed Black Colored Roman Numerals, and Black Colored Sword Hands. Comes on a 16mm New 100% Genuine Suede Leather Black Colored Strap. Powered by a 17 Jewel Caliber ETA 2512 Manual Winding Movement. Triple Signed. Swiss Made. Year 1980's Brand Cartier Reference # 21715 Model Ronde Pre-Must Watch Type Vintage Ladies Case Case Original, Original Bezel, Original Crown // Serial #800XXX Case Dimensions 24mm wide x 29mm lug to lug, Thickness 6mm Case Metal Sterling Silver Case Shape Round Bezel Smooth Sterling Silver Movement Type Manual Winding Movement Manual, Movement is in Excellent Running Condition Caliber ETA 2512 Jewels 17 Dial Original White Colored Cartier Dial, Printed Black Colored Roman Numerals Dial Condition Good Dial Color White Hands Black Painted Steel Sword Hands Strap 100% Genuine Suede Leather Strap Color Black Strap Lug Width 16mm Box No Papers No Country of Manufacturer Switzerland Inventory # 14722 Warranty This watch has been recently and fully serviced. Comes with a two-year warranty.