Breguet, No.5110: A fine 18ct. gold calendar and moonphase and automatic wristwatch, the drum shaped case with ribbed band and cabouchon winder, the silvered engine-turned dial with eccentric chapter ring, Roman numerals, blued steel moon hands, aperture for day and date, the sector above the twelve for the moon with lunar calendar, signed and numbered on a sector below the twelve, the snap-on back with makers mark no.5110A, the signed movement with gold rotor, 35 jewels, adjusted to five positions, no.2757, with makers original black leather strap and gold buckle, presentation box with gold date change tool and certificate of guarantee