Must de Cartier "Must 21 Circa: 1990 Round ladies' watch in steel and gold. Cream dial with fixed bezel indexed with Roman numerals. Winding mechanism with blue spinel. Mineral glass. ETA-based quartz movement. Steel case with screw-down back (6 screws) numbered 901149633. Diameter: 28 mm Two-tone metal bracelet with folding clasp signed Must de Cartier. Gross weight: 57 g Condition report: watch not in working order, accompanied by original papers, invoice and case signed Cartier.

Composed of several subsidiaries, the Drouot Group is a major player in the art market. Hôtel Drouot, located in the heart of Paris, has been the world's largest public auction center since 1852. 15 salerooms are available to more than 70 auction houses. The emulation generated by an annual offer of 230,000 artworks from 21 major specialities - from Antiquity to street art - attracts some 3,000 visitors every day. The Group's digital platform, Drouot.com, offers digital sales - Live auctions (live broadcasting and participation in auctions), Online-only auctions (dematerialised auctions) and Buy Now sales (sales of lots at fixed prices). Nearly 2 million items are offered annually by 600 auction houses. Auction news is reported every week in La Gazette Drouot, the leading weekly magazine for the art market and culture published by Auctionspress.