BREGUET NO. 3118 MARINE CHRONOMETER WITH REAUMUR THERMOMETER MADE IN 1821
Breguet No. 3118, Marine Chronometer "thermometre
metallique", sold to the French navy, in 1821, for 2400 Francs.
Fine, early and extremely rare, 2 day going deck Chronometer with earnshaw escapement and metallic thermometer.
Accompanied by the Breguet certificate dated 1957 and
Three body mahogany deck-watch type box. Oval Chromium
plated bowl in oval gimbal.
Silver plated, black painted roman indexes, outer track
with arabic 10 minute indication, subsidiary seconds
aperture to start/stop the balance, thermometer at 3 o clock.
Blued steel hands.
Brass full plate, 2 large barrels for 2 day power reserve,
Earnshaw type spring detent escapement, two arm compensation
balance with cylindrical weights and timing screws,
parachute shock absorber, free sprung polished steel helical
balance spring with terminal curves.