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Stock # SKU18815
Stock # 18815
Model Name Celestial
Model Ref # 5102 J
Condition As New
Gender Mens
Movement Automatic
Case 18K Yellow Gold
Case Shape Round
Case Size 43 mm x 10 mm
Band / Strap Strap
Dial Blue
Caseback Display
Complications Moonphase
Additional Information With box and papers.
The Patek Philippe Celestial is a very special timepiece. Introduced at the 2002 Basel Fair, the Celestial depicts the night sky as it appears over Geneva Switzerland. The astronomical display utilizes a system of rotating sapphire plates, which turn at different speeds and are layered, to reproduce the relationships of the various celestial bodies at various times. The watch also indicates moon phase. Patek Philippe reports calculating 25 trillion "ratio combinations" to arrive at the most accurate possible system for measuring the movement of the stars. I could go into the mechanics of the watch, but suffice to say that building a mechanism to animate such an amazing cosmological microcosm was a feat uniquely suited for Patek's master watchmakers.

While the Celestial model was debuted in 2002, the yellow gold case made its appearance on the market in 2007. The yellow gold contrasts beautifully with the blue dial.

Case is 18k yellow gold with dimensions of 43mm wide by 10mm thick. The case sides have the Calatrava Cross engraved in polished relief in the gold against a matte background, to very nice effect. Sapphire crystals front and back. Crown at 2 o'clock sets the time and winds the watch. The crown at 4 o'clock is for setting the astronomical display.

Dial is blue and displays the aforementioned information. There is an elliptical window which is marked with the cardinal directions for orienting the celestial display to true north. There is a roman numeral elaborated minutes and hours chapter at the dial's edge. Skeletonized "Feuille" style hands.

Movement is the automatic winding Patek Philippe Caliber 240 LU CL with 45 jewels and 301 individual, hand-finished parts. Every tooth, on every gear wheel, was hand polished on a rotating hardwood disc. Patek requires several months to produce each Celestial caliber, and it's no wonder when one considers the innumerable steps and man hours required to produce such a machine. The caliber is stamped with the Geneva Seal, as would be expected.

The Celestial is one of Patek's many crowning achievements. Production is very low. This watch is like new in box with papers.
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