Cartier steel & gold tank Francaise ladies watch, c. 1970s, with stainless steel curved case and stainless steel bezel, Roman numeral dial, stainless steel and 18k yellow gold bracelet, sapphire set gold crown, marked "Cartier Water Resistant Stainless steel, numbered 18026BCE 2485, band marked "Or 750 Acier", 25 x 30 mm caseProvenance: Property from 168 W 86th St., NYC