If your calendar says New York on Monday and Tokyo by Thursday, most watches make you do the math. Breguet’s Marine Hora Mundi 5555 flips that script—it moves with you. Built for the maison’s 250th anniversary and limited to 50 pieces, it introduces a warm “Breguet gold” case and a dial that echoes NASA’s nighttime “Black Marble” view of Earth—cities glowing across the continents. It’s also the first Hora Mundi to use a new, patent-pending phosphorescent enamel that lights those cities after dark, and owners can tailor the 24 time-zone city list to their own routes.
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The dial: Art you can wander
This isn’t just information; it’s a miniature landscape. Beneath the crystal, two layers create real depth: a hand-guilloché gold base washes from sky blue to deep navy with engraved meridians for a gentle globe effect, while a transparent sapphire disc floats above it, painted in tiny grand feu enamel on both sides. Artisans map the continents on the underside, add soft cloud forms on top, then dust the scene with that luminous enamel so “city lights” bloom at night. The impression is tactile, dimensional, and quietly cinematic—your itinerary turned into an image.
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Time-zone jumps at a click
The poetry sits on top of serious mechanics. Inside, calibre 77F1 remembers two cities of your choice; press the crown-integrated pusher and the hour and minute hands snap to the new local time. The date and day/night display advance or reverse automatically, so the readout is right the instant you land. Multiple patents cover a compact system of cams, hammers, and an integrated differential that performs—in a heartbeat—what travelers usually juggle in their heads. It’s fast, intuitive, and built for actual movement.
Built for the journey
For all the artistry, this is still a Marine—meant to be worn, not coddled. The 43.9 mm case is water-resistant to 100 meters, with Breguet’s signature fluted caseband and sculpted lugs lending dress-level refinement you can still take on a tender. It measures 13.8 mm thick; flip it over to see the 77F1’s 18-karat rotor and a 55-hour power reserve. The watch arrives on navy alligator with a matching Breguet-gold folding clasp, plus a rubber strap for off-duty days and coastal weekends.
Why it resonates now
Travel has come back with purpose, and so has the desire for objects that turn logistics into ritual. The Marine Hora Mundi 5555 makes the moment you change time zones feel like a toast—an elegant, one-press ceremony. As a 50-piece edition marking a quarter millennium, it also signals Breguet’s direction: traditional finishing, inventive materials, and practical complications in a single, coherent package. The price—CHF 88,000 including taxes—reflects the craftsmanship and scarcity on display.
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The takeaway
For frequent flyers who love night approaches and glittering skylines, this goes beyond a worldtimer. It’s a slice of midnight on the wrist—softly luminous, mechanically assured, and always ready for the next departure.
