THOMAS ENGEL, CHRONOMETRE – TYPE CONCOURS OBSERVATOIRE, GOLD.Thomas Engel, Chronomètre No. 8. Made in the 1980s..Very fine and rare, 18K yellow gold, keyless, Chronomètre – Type Concours Observatoire pocket watch with.30-hour power reserve, thermometer an
C. Three-body, Empire, screwed-down back cover decorated with engine-turning grains d’orge, polished band.and bezel, gold glazed cuvette, ball-type swiveling pendant acting as the winding crown..D. Silver, radial Roman numerals on brushed chapter ring, outer minute dot divisions, engine-turned and whitened.center, subsidiary seconds, thermometer sector at 9 o’clock, days of the week between 2 and 3 o’clock, aperture for.power reserve indication. Gold Breguet hands..M. 22’’’, Cal.5011K, rhodium-plated, fausses cotes decoration, stamped with Thomas Engel punch mark, 19 jewels.straight-line lever escapement, monometallic balance, selfcompensating balance spring with outer terminal curve.balance and escape wheel pivots with shock absorbers, micrometer regulator..Dial, case and movement signed. Diam. 56 mm.