Patek Philippe Celestial Joaillerie Grand Complications Platinum Blue Dial Emerald Bezel 2025, 6104/13P-010

The Grand Complications 6104/13P-010 represents an ultra-rare out-of-catalogue variant reserved exclusively for Patek Philippe's most important collectors. The 60 baguette-cut emeralds totaling 3.92 carats distributed across the bezel (38 stones, 3.04 carats) and platinum fold-over clasp (22 stones, 0.88 carat) provide a vibrant green frame complementing the blue celestial dial depicting the nocturnal sky visible from Geneva's latitude. The emerald variant's lower total carat weight versus sapphire (6.04 total carats) or ruby (5.66 total carats) reflects emeralds' lower density—stones cut to the same approximate physical dimensions weigh less, though procurement difficulty and value premium far exceed corundum (sapphire/ruby) alternatives. The Celestial complication traces its lineage to Patek Philippe's 1985 Reference 3874 Caliber 240 featuring astronomical indications, with the modern 6104 series debuting in 2002 offering a rotating sky chart, moon phase orbit, and sidereal time within a 44mm case powered by the ultra-thin Caliber 240 LU CL C. The astronomical display presents the exact configuration of the nocturnal sky in the northern hemisphere at any moment, with the apparent movement of stars and moon phases/orbit visible through a rotating sapphire disk.

The 44mm case measures 11.33mm thick despite housing complex astronomical complications, crafted entirely in 950 platinum with polished surfaces throughout, maintaining classical elegance appropriate for a grand complication dress watch positioning. The bezel set with 38 baguette-cut emeralds creates a vibrant green border framing the dial, each stone precision-cut to fit the curved bezel geometry while maintaining a uniform appearance and secure channel setting protecting stones during wear. Water resistance is limited to 30 meters, reflecting a dress watch orientation prioritizing case refinement over sports watch robustness, with sapphire crystals front and back allowing unobstructed viewing of the astronomical display and an exhibition caseback revealing Caliber 240 LU CL C's architecture. A brilliant-cut diamond set at the 6 o'clock position provides a subtle accent complementing the emerald bezel while maintaining symmetry. The rotating blue sapphire crystal disk depicts a celestial map showing the Milky Way, stars, and constellation patterns visible from Geneva and all cities at the same latitude (approximately 46 degrees north); an ellipse deposited on the sapphire crystal's underside frames the visible sky portion while the disk rotates counterclockwise, completing a full revolution every 23 hours 56 minutes, matching the actual sidereal day (star time versus solar time). White gold skeletonized leaf-shaped hands indicate hours and minutes of mean solar time atop the rotating celestial display, with the hands' openworked construction minimizing visual obstruction of the star chart beneath. The moon phase indication shows the lunar orbit and current phase through an aperture with high precision, requiring correction only once every 122 years; the meridian passage of Sirius (the brightest star in the night sky) is marked for astronomical reference. The self-winding Caliber 240 LU CL C measures 38mm in diameter by 6.81mm in thickness, representing ultra-thin movement construction enabling a relatively modest case profile despite complication complexity; the movement comprises 315 components with 45 jewels operating at 21,600 semi-oscillations per hour (3Hz) with a 38-48 hour power reserve. The 22k gold off-center mini-rotor enables automatic winding while maintaining movement thinness versus a traditional central rotor, and the Gyromax balance ensures precision timekeeping through adjustable inertia blocks, eliminating the regulator index. The "LU" designation indicates lunar (moon) complications while "CL" signifies celestial (star chart) functions; movement finishing includes Geneva Seal standards with hand-beveled edges, circular graining, and polished steel parts visible through the sapphire caseback. A hand-stitched shiny navy blue alligator leather strap with square scales complements the celestial dial, while the platinum fold-over clasp set with 22 baguette-cut emeralds (0.88 carat) extends gem-set luxury beyond the case, with the clasp's emerald integration creating a cohesive jewelry presentation across the entire timepiece, visible even when worn.

Reference Number: 6104/13P-010

Model Family: Grand Complications

Movement: Automatic

Case Material: Platinum

Bracelet Material: Alligator Strap

Dial: Blue Celestial

Case Dimension: 44mm

Year: 2025

Condition: New

Box & Papers: Original Box, Original Papers

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