Omega. A rare silver openface keyless lever deck watch with Guillaume balance

SIGNED OMEGA, CHRONOMÈTRE DE BORD, MOVEMENT NO. 5'337'884, CASE NO. 10'294'249, MOVEMENT MADE IN 1919, ENCASED AND SOLD IN 1943

細節
Omega. A rare silver openface keyless lever deck watch with Guillaume balance
Signed Omega, Chronomètre de Bord, movement no. 5'337'884, case no. 10'294'249, movement made in 1919, encased and sold in 1943
Cal. 21/24''' Observatory gilt-finished lever movement numbered twice, 21 jewels, large going barrel, Guillaume balance with gold and platinum poising screws, micrometer regulator, silver cuvette, silvered dial inscribed I.C.S.T. Min. 574, Arabic numerals, outer railway minute divisions, large subsidiary seconds, plain circular case, hinged back engraved I.C.S.T. Min. 574, case, cuvette, dial and movement signed
60 mm. diam.

榮譽呈獻

Dr. Nathalie Monbaron
Dr. Nathalie Monbaron

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拍品專文

According to the Archives of the Omega Museum, the present watch is part of a group of three of such watches delivered to Sweden on 15 November 1943. The movement of the present watch is part of a small series of 66 examples of the celebrated calibre 47,7 mm. produced between 1919 and 1920, numbered 5'337'836 - 5'337'091. Based on its double numbered movement of "Observatory" quality it can be assumed that it was submitted to an Observatory trial.

In 1919, Omega's deck chronometer 21''' broke all records with 31,3 points at the Neuchâtel Observatory trial. Symbol of Omega's high precision movements, the 21''' calibre was slightly modified and renamed 47,7 mm., achieving world records in all categories at the Kew Teddington contests in 1933 and 1936.

For a description and illustration of the calibre see Omega Saga by Marco Richon, pp. 170, 190 & 192.