NIVADA GRENCHEN (Travelmaster - Submarine World Time / Alarm ref. 87020), circa 1972 Rare diver's watch with alarm function and large bi-directional World Time bezel (24 cities reading). Brushed steel barrel-shaped case with screwed back (signed and ref. 87020). Black dial with railway bezel and 24-hour graduation, large applied indexes and luminescent skeleton hands. Large green second hand, third red arrow hand for the alarm (set with the crown at 2 o'clock), date window at 3 o'clock. Tropic rubber strap and a vintage Ebel steel diver with folding clasp. Movement: Mechanical hand-wound caliber NIVADA / AS (A. Schild) with Swiss dust cover. Size: 40 x 44 mm. Condition: Very good (Vintage pencil case)

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.