5,428 CHF
“5TH SECOND CRONOGRAPH” Omega, Bienne, No. 2699106, case No. 3622464, Ref. CH 833.19. Made circa 1906. Fine and rare 18K gold keyless hunting-cased pocket watch with chronograph and semiinstantaneous 30-minute register. This watch is sold with a box, Certificate of Authenticity and 2-year Omega guarantee. Four-body, "bassine et filets", polished. White enamel, Dauphine numerals, outer minute/seconds divisions divided into fifths, outermost fifth second timing scale, sunk 30-minute register and constant seconds. Gold "spade" hands. Cal. 19’’’ SOB S, frosted gilt, 3/4-plate, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance with Breguet balance spring, "swan-neck" micrometer regulator, the chronograph work is set on a separate plate fastened to the back plate. Dial, case and cuvette signed. Diam. 53mm. Notes Omega was one of the first watch manufacturers to employ a modular system in the manufacture of chronograph movements. This allowed them to use various non-chronograph movements, while adding a separate plate with all of the chronograph work to the back plate of the movement. This system, which is widely used today, was revolutionary at the time. Cal. 19’’’ SOB S S = “Hunter” (savonnette) O = Omega caliber B = 15-17 jewels, Breguet balance spring adjusted to less than one minute per day. S = Seconds
Auctioneer:
Antiquorum
Date:
2007-04-15