Patek Philippe. A very rare and attractive 18K gold openface World Time keyless lever watch with black dial

SIGNED PATEK PHILIPPE, GENEVE, REF. 605, MOVEMENT NO. 931'110, CASE NO. 2'622'959, MOVEMENT MADE IN 1951, COMPLETED AND ENCASED IN 1963

Details

Patek Philippe. A very rare and attractive 18K gold openface World Time keyless lever watch with black dial
Signed Patek Philippe, Geneve, ref. 605, movement no. 931'110, case no. 2'622'959, movement made in 1951, completed and encased in 1963
Cal. 17'''170 HU nickel-finished lever movement, 18 jewels, bimetallic compensation balance, swan neck regulator, black dial, applied gold baton numerals, pierced stylised gold hands, outer silvered ring with the names of 39 world locations, all centred by a revolving grey and white ring calibrated for the Arabic diurnal and nocturnal 24 hours, circular plain case, milled bezel, snap on back, case, dial and movement signed
44 mm. diam.

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Lot Essay

With Patek Philippe Extract from the Archives confirming production of the present watch in 1951 and its subsequent sale on 7 December 1963. The Extract further states that the movement was made in 1951 and completed and encased in 1963.

This watch is believed to be the only example of a reference 605 HU in yellow gold fitted with a black dial to have appeared in public to date.

Reference 605 was available in yellow and pink gold cases, either with a plain metal dial or a unique cloisonné enamel dial. The latter could depict individual continents, hemispheres or even the entire planet.

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