Live pictures and priceof the Greubel Forsey GMT Sport taken at the Pisa flagship store in Milan. Pisa Circle, a digital platform for watch collectors
Originally presented at the end of 2019 in a titanium version, the GMT Sport by Greubel and Forsey introduced a brand new case design in the collection of the Swiss brand.
Conceived with ergonomics in mind, this unusually-shaped case is round from above but it reveals an arched and ovoid shape from other angles.
We had the opportunity to take some pictures of the 5N red gold version of this extraordinary timepiece at the Pisa flagship store in Milan and we are now delighted to share them with our readers. The watch is currently available through their digital platform for collectors, Pisa Circle (you can read about it here).
Water resistant to 100 meters / 330 feet, the case of the GMT Sport is 45 mm in diameter and 15.70 mm high without considering the sapphire crystal or 17.80 mm with it. Lugs are integrated.
The peculiarity of the watch is remarked by the sweeping satin-finished bezel with Greubel Forsey’s values relief engraved on its outer bevel.
The hours and minutes are displayed by concentric openworked hands whose curved profile follows the curvature of the case and movement. To enhance visibility in darker environments, the triangular tips of the arrow-shaped hands and the markers on the minute-hour-ring are treated with luminescent coating.
The 24 Seconds Tourbillon is positioned at 1 o’clock and secured by a perfectly polished tourbillon bridge with black finished openings. Its cage is inclined at 25° and completes one full rotation in 24 seconds. The faster speed, combined with the special cage inclination, improves the chronometric performance in a single-tourbillon system. Comprised of 88 components, the rotating tourbillon cage housing the regulating organ has a total weight of 0.38 grams.
At 3 o’clock, we find a sector indicating the 72-hour chronometric power reserve ensured by two coaxial barrels in series. The power reserve differential is subtly engraved with Greubel Forsey’s values.
The auxiliary dial between 10 and 11 o’clock combines the small seconds on a large rotating disc, and the second time zone display with a hand.
A real eye-catcher, the terrestrial rotating globe - as seen from above the North Pole - performs each complete anticlockwise turn on its axis in 24 hours. It is surrounded by a sapphire crystal ring with 24-hour divisions showing the local time for all longitudes while also indicating whether it is day or night (light zone / dark zone).
The two pushers on the left side of the case are used to adjust the GMT functions: the first selects the second time zone and the other synchronises the local time with the globe.
On the caseback side of the GMT Sport, outer and central rings complete the sapphire cities disc to give UTC Universal and Summer Time for 24 cities in major time zones. This disc distinguishes those time zones applying summer time (on a light background) from the others (on a dark background).
This ultra-rare Greubel Forsey GMT Sport timepiece is available through the Pisa Circle digital platform at the price of CHF 610,000. greubelforsey.com
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