Breguet Marine World Time Hora Mundi 18K Yellow Gold Watch. Model 3700. Automatic self-winding movement. Rhodium-plated, fausses cotes decoration, 36 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, 21K gold rotor. 18K yellow gold case 38.0 mm in diameter. Scratch resistant sapphire crystal. Silvered dial, central disc with meridians and parallels, surrounded by a plain silver 12-hour ring dial with painted radial Roman numerals and a revolving 24-hour ring for the second time zone with Arabic numerals, outermost silver ring bearing the names of 24 cities in the world, rotated with the inner crown, aperture for the date. Blued Breguet hands. 18K yellow gold fixed stepped bezel . Brown leather strap with 18K yellow gold tang buckle.