Ultra flat gold watch with "Bagnolet" caliber mounted in a silver coin Outer case on hinge mounted in a coin "Louis Napoleon Bonaparte, 5 francs, French Republic dated 1852". Extra flat case on hinge, the back entirely guilloche with a black and white enamel decoration, a stylized decoration in the center. Off-centered patina dial for the indication of hours and minutes, visible three-arm balance, Roman numerals and minute track. Mechanical movement with key winding, caliber "Bagnolet", cylinder escapement with eight holes in ruby, advance and delay setting. In a case with a used coin bearing the effigy of Louis Philippe, King of the French, and a small 50 centime coin from 1852. Diam. 37.5 mm (coin) Diam. 27.5 mm (watch) Gross weight. 15.4 gr Gross weight. 8.7 gr

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.