The Tri-Axial tourbillon Planetarium timepiece by Girard-Perregaux houses a sophisticated tourbillon complication and two captivating, delicately miniature-painted complications: a rotating globe with day/night indication and a precision moon-phase display. The watches in this Fine Watchmaking bear the technical and aesthetic signature of the Swiss Manufacture. A complex structure revealed by an iconic and luminous design.
The three-dimensional Planetarium watch combines a Tri-Axial tourbillon, a globe performing one full turn in 24 hours and an astronomical moon phase. Cleverly combining technical expertise, iconic design and traditional craftsmanship, it distils the essence of the Girard-Perregaux DNA: arrow-shaped gold bridges, a lyre-shaped tourbillon carriage, sapphire domes and a side opening enabling light to flood into this superbly refined mechanism.
Equipped with hand-winding Manufacture GP09310-0001 calibre ensuring a 70-hour power reserve, the Planetarium with Tri-Axial tourbillon drives the hours, minutes, moon-phase and day/night functions. These indications are displayed on a guilloché silver-toned dial bearing a motif evoking Earth’s meridians and punctuated by pink gold numerals and hour-markers swept over by dauphine-type hands. This movement visible through the transparent screw-down back is adorned with meticulous hand-crafted finishing and the iconic signature characteristics of the Maison: arrow-shaped bridges, along with the engraved eagle symbol holding the brand insignia. The rear baseplate is sandblasted and black PVD-treated to accentuate the ‘night’ side of the day/night indicator, thus making a striking contrast with the silver-toned guilloché dial. The Planetarium Tri-Axial watch is fitted with a black alligator leather strap with a pink gold folding clasp.
Case and dial
Material: pink gold
Diameter: 48 mm
Thickness: 18.66 mm (21.52 mm including the domes)
Sapphire crystal: glare proofed with two domes to highlight the tourbillon and theglobe
Case-back: glare proofed sapphire crystal
Dial: silver-toned, guilloché
Hands: Dauphine-type hands
Waterresistance: 30 metres (3 ATM)
Reference: GP09310-0001, mechanical manual-winding movement
Diameter: 36.10 mm (16’’’)
Thickness: 16.87 mm
Frequency: 21,600 vph – (3 Hz)
Number of components: 386
Watch jewels: 42
Power reserve: min. 60 hours
Tri-Axial tourbillon, hours, minutes, moon-phase and day/night indicators
Tri-Axial Tourbillon Carriage
One complete revolution in two minutes
140 components, 1.24 grams
Material: hand-stitched black alligator leather
Clasp: pink gold triple folding clasp
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