Ulysse Nardin. A fine 18K gold self-winding perpetual calendar astronomical wristwatch with sweep centre seconds

SIGNED ULYSSE NARDIN, PLANETARIUM COPERNICUS, NO. 127, CIRCA 1992

Details

Ulysse Nardin. A fine 18K gold self-winding perpetual calendar astronomical wristwatch with sweep centre seconds
Signed Ulysse Nardin, Planetarium Copernicus, No. 127, circa 1992
With highly engraved skeletonized gilt-finished jewelled lever movement, engraved and pierced nickel-finished rotor, the blue matt dial with a fixed centre representing the Sun with rotating concentric rings with gold hemisphere representations of the planets, Saturn, Jupiter, Mars, Venus and Mercury, a fixed ring for the Earth and Moon, all within a rotating gold ring indicating the months of the year in German and the signs of the Zodiac, the crystal with gold demarcations to indicate the position of the planets in relationship to the Earth and the Zodiac, luminous hands, sweep centre seconds, the circular case with inlaid black enamel Roman numerals on the bezel, glazed snap on back, hooded lugs, together with an 18K gold Ulysse Nardin buckle, Ulysse Nardin Certificate, case and movement signed
40 mm. diam.

Lot Essay

The Planetarium Copernicus and the Astrolabium Galileo Galilei (lot 137) are part of Ulysse Nardin's Astronomical Trilogy consisting of the Astrolabium Galileo Galilei, the Planetarium Copernicus and the Tellurium Johannes Kepler (lot 134 in this sale) models. Both the Planetarium Copernicus and the Astrolabium Galileo Galilei are featured in the Guiness Books of Records.

A similar watch is illustrated in Armbanduhren - 100 Jahre Entwicklungsgeschichte by Kahlert, Mühe, Brunner, 5th edition, p. 430, pl. 1477.

The Planetarium Copernicus model combines Ptolemy's geocentric universe with the Earth at its centre and Copernicus' heliocentric universe with the Sun at its centre. This allows the reading of the astonomical positions of the planets in relation to the Sun and the Earth. The moon rotates around the Earth. A perpetual calendar indicating the months and the sign of the Zodiac rotates once in 365.24 days at the exterior.

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