The Girard-Perregaux Cosmos is fitted with three complications, including a tourbillon, which is presented at the base of the dial, and features a titanium lyre-shaped cage. This is held in position by Girard-Perregaux’s signature Neo Bridge, a modern interpretation of Constant-Girard’s famous ‘arrow-shaped’ bridge of the 19th century. The watch is equipped with two additional complications – a terrestrial globe and a celestial globe. The terrestrial globe, located at 3 o’clock, serves as a day/night indicator. Positioned opposite, at 9 o’clock, a celestial globe displays the constellations of the Zodiac. All three Cosmos pieces feature two-part dials, formed of aventurine, obsidian or spectrolite. The globes are made of black aventurine, black aventurine or onyx. Each set of globes is decorated with golden micro-painting. The Sun revolves around the Earth every 24 hours, the time it takes for the terrestrial globe to rotate 360°. Celestial time equals the rotation period of a celestial object (23 hours and 56 minutes). Both globes rotate at the correct speed.
Instead of a conventional crown, Girard-Perregaux Cosmos features an innovative winding and setting system located on the reverse of the watch. The setting system features three engravings, all of which are filled with luminescent ceramic, indicating the purpose of each bélière.
The Cosmos is equipped with the Calibre GP093020, a hand-wound movement refined with high-end finishing. The titanium Neo Bridge is black PVD-treated, sandblasted and incorporates hand-bevelling. The mainplate is black PVD-treated and embellished with circular-graining, sandblasting and bevelling. The lyre-shaped tourbillon cage is made of lightweight titanium.
The rear of the timepiece features the flat sapphire crystal, while its front is endowed with a sapphire anti-reflective ‘box’, that provides a three-dimensional view of the dial area. Its domed shape requires four to five times more material to shape and polish.
All three Girard-Perregaux Cosmos unique timepieces will be sold by The Hour Glass.
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