BREGUET, Marine. Round men's watch. Reference 5817. Case in 750 thousandths yellow gold numbered 2421X, lugs in 750 thousandths white gold. Two-tone anthracite guilloché dial with applied Roman numerals, Breguet hands and large date window at 6 o'clock. Self-winding mechanical movement signed. Calibre 51766. Diameter: approx. 40 mm. Signed rubber strap with 750 thousandths yellow gold folding clasp. Gross weight: 147.69 g. No case or papers.