At the pinnacle of Bremonts Altitude Collection stands the Perpetual Calendar GMT Mono-pusher a rare and refined timepiece limited to just 50 pieces worldwide. Housed in a lightweight 42mm Trip-Tick titanium case, with a brushed Air Force Blue dial and case barrel, this watch combines two prestigious complications in a design rooted in aviation utility and everyday wearability.

Inside, a hand-wound BHC9192-MH calibre forms the base, with a bespoke perpetual calendar and GMT module developed exclusively with Genevas renowned atelier, Agenhor. The display is beautifully balanced, with a rotating globe at 12 oclock indicating a second time zone, and subdials at 3, 6, and 9 oclock presenting the month/leap year cycle, date, and running seconds respectively. Despite its mechanical complexity, all functions are easily adjusted via an integrated mono-pusher crown and discreet correctors.?

Crafted to deliver enduring performance and refined precision, the Altitude Perpetual Calendar GMT is finished with a glassbox sapphire crystal and is offered on both a titanium bracelet and patinated blue leather strap. A showcase of British design, Swiss horological mastery and high complication craftsmanship built for those who appreciate the rare and exceptional.