In a few hours, Greubel Forsey will unveil the new GMT Balancier Convexe. As the Earth takes centre stage within a newly reimagined amphitheatre, the hours, minutes, seconds, second time zone, and universal time indications become both companions and spectators to its quiet revolution.
The new GMT Balancier Convexe replaces its predecessor entirely – not as a variation, but as a complete reinterpretation. With a redesigned case, an integrated power reserve, and enhanced ergonomics, it becomes the purest expression of our GMT complication to date – and the only GMT model in our current collection.
A refined evolution
This new creation preserves the iconic theatrical architecture of the original GMT Balancier Convexe, while refining its proportions and mechanical layout.
– The Convexe case, still sculpted in titanium, is now more compact at 42.90 mm at the caseband for improved wearability.
– A new 72-hour power reserve indicator is seamlessly integrated into the dial, bringing added functionality without disrupting the visual harmony.
Technical enhancements
The movement now contains 496 components, 73 more than its predecessor, attesting to a re-engineering of the calibre to accommodate new displays and improved chronometric performance.
Finishing remains uncompromising: the inclined escapement is suspended beneath a flat black polished and barrel polished steel bridge, resting on polished steel pillars. The Terrestrial globe – one of the Atelier’s most emblematic elements – remains, rotating in real time within a layered amphitheatre of time indications.
On the caseback, a sapphire disc engraved with 24 cities reflects both universal time and summer/winter time, with La Chaux-de-Fonds replacing Paris – a subtle but meaningful shift.
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