CARTIER "Must 21, Ref. 9010". Steel and gold-plated metal wristwatch, matte steel tonneau case, polished steel caseback, screw closure, flat bezel with gold-plated engraved Roman numeral markers, silver-plated dial, blued steel glaive hands, steel bracelet, gold-plated cylindrical baton links and inter-links, invisible triple folding clasp. Quartz movement (battery change). Dial, back and buckle signed. Back no. 59943. Case diameter: 31 mm. Wrist circumference: 16.5 cm Accompanied by a CARTIER (Barrier) service case and instructions for use. Expert: for this lot, SC E S PORTIER is assisted by Géraldine Richard, SFEP expert. All watches were function-tested at the time of writing. Except for the mention of a mechanism "to be overhauled", the watches were functional. However, the accuracy of the movements is not guaranteed, nor is the functioning of the watches beyond the time of sale.