Important Collectors Wristwatches Po...
Geneva, Hotel Des Bergues, Oct 21, 1995
Breguet No. 873, made with an early movement from the 1820's. Fine 18 ct. gold, moon phase astronomical pocket chronometer.
C. Three body, "forme quatre baguettes", engineturned. Gold detachable cuvette. D. Silver engineturned with Roman numerals on a polished chapter ring, sunk subsidiary seconds and moon phase aperture with moon calendar on the border. Blued steel Breguet hands. M. 21"', gilt brass half plate, fusee with chain, female winding square and maintaining power, 15 jewels, Louis Berthoud type pivoted detent escapement, and three-arm compensation balance with three trapezoidal poising weights and timing screws, free sprung blued steel helical balance spring, ruby endstone. Signed on the dial, cuvette and movement. In very good condition. Diam. 53 mm.