The Breguet Ref. 5557BB/YS/BW0 is a white gold world-time watch with instant-jump time zones and a blue dial.
A Tribute to Mastery
The Breguet Marine Hora Mundi Ref. 5557BB/YS/BW0 is a groundbreaking luxury timepiece that fuses technological brilliance with maritime-inspired elegance. Crafted from 18K white gold, the case boasts an assertive yet graceful 43.9 mm diameter and a thickness of 13.8 mm, presenting a bold presence without overwhelming the wrist. The fluted caseband, a signature of Breguet design, lends a textured elegance to the watch’s silhouette. This refined case structure balances robustness with sophistication, making it ideal for modern globetrotters who appreciate high horology with a travel-ready form.
Dial and Design Details
At the core of the Ref.5557BB/YS/BW0 lies a unique, patented complication: the instant-jump time zone display. This innovation allows the wearer to switch between two preset time zones with a single push of a button — all without interrupting the running seconds or affecting timekeeping accuracy. This remarkable function is driven by the Breguet caliber 77F1, a self-winding mechanical movement operating at 4 Hz and offering a power reserve of 55 hours. Entirely developed and manufactured in-house, it represents Breguet’s dedication to mechanical mastery and innovation.
The dial is an artistic marvel and a feast for the eyes. Presented in a radiant blue sunburst finish, it features a finely rendered golden world map, displaying continents with brushed finishes and oceans adorned with intricate wave-like guilloché engraving. This dial exudes dynamic depth and sophistication under different lighting conditions. The hour markers include elegant applied Roman numerals with luminous accents, while the open-tipped Breguet hands glide gracefully over the scenery, offering both clarity and class.
In terms of utility, the Hora Mundi is designed with the traveler in mind. Beyond its dual-time capability, the dial features a day/night indicator, date window, and a rotating city disc at 6 o’clock, representing 24 major global cities. These complications are perfectly integrated into the aesthetic design, avoiding any clutter while enhancing readability. The synchronized date system automatically adjusts with each selected city and time zone, minimizing the need for manual corrections — a truly practical feature for anyone crossing multiple time zones.
Movement and Complications
Flip the watch over, and the view through the sapphire crystal caseback reveals the beautiful craftsmanship of the caliber 77F1 movement. The bridges are adorned with Côtes de Genève, and the gold rotor is engraved with a Marine wave motif, underscoring the collection’s seafaring heritage. This visual symphony of gears, bridges, and decoration is a reminder of Breguet’s watchmaking expertise and attention to detail at the highest level.
Built to endure, this sophisticated timepiece doesn’t shy away from active lifestyles. The case is water-resistant to 100 meters, adding an element of sportiness to its luxurious character. It comes fitted with a textured blue rubber strap, evoking ocean waves while providing comfort and durability for everyday wear. The strap is secured with a folding clasp in 18K white gold, delivering security and style in equal measure.
Functional Features
Another standout feature is the quick-corrector pusher at 8 o’clock, which allows the wearer to effortlessly cycle through time zones. This tool-free mechanism makes adjusting global time on the go both intuitive and precise. The synchronization of time, city, and date displays showcases the movement’s complex programming and reflects Breguet’s forward-thinking watchmaking philosophy.
Despite its many functions, the dial maintains a clean and cohesive layout — a testament to Breguet’s design ingenuity. The world map, city disc, day/night aperture, and large date window are all legible at a glance, proving that complexity need not compromise elegance. This clarity is particularly valuable in a world timepiece, where information overload can often detract from usability.
The Marine Hora Mundi 5557 draws lineage from Breguet’s historical ties to maritime navigation. Abraham-Louis Breguet was once Horologer to the French Royal Navy, and this legacy lives on in the design language and technical ambition of the Marine collection. From the fluted case to the wave-engraved rotor and ocean-inspired rubber strap, every element pays homage to the brand’s nautical roots while embracing modern sophistication.
Brequet: The Standard of Prestige
The Breguet Marine Hora Mundi Ref. 5557BB/YS/BW0 is a pinnacle achievement in the world of haute horlogerie. It represents a seamless blend of technical innovation, travel functionality, and refined artistry. Whether worn in a boardroom or across international waters, this timepiece offers prestige, convenience, and mechanical excellence — an ideal companion for those who live globally but appreciate tradition, heritage, and elegance on the wrist.
Explore the Breguet collection at Jewels By Love—your trusted, authorized Breguet retailer and dealer. Discover an unparalleled voyage into the realm of Breguet with our carefully selected collection, where each beat of these extraordinary timepieces narrates a story ofunmatched luxury and enduring elegance.
| Brand | Breguet |
|---|---|
| Case Metal | White gold |
| Case Length (mm) | 43.9 |
| Diameter (mm) | 43.9 |
| Case Shape | Round |
| Water Resistance (m) | 100 |
| Case Back Material | Sapphire Crystal |
| Exhibition Back | Yes |
| Case Thickness (mm) | 13.8 |
Breguet is renowned as one of the most prolific and the most respected watch manufacturers in the world. The company was founded in 1775 by Abraham-Louis Breguet. For around 250 years now, Breguet has made some of the most notable and legendary watches in the world. The company’s designs are characterized by extreme attention to detail and a strong penchant for innovation. Breguet watches are known for their intricate engineering and stunning aesthetics. Every detail of the watches is designed to enhance both the aesthetics and the function of the watch. These factors make Breguet watches a great choice for watch collectors and wearers who seek a watch that looks as good as it performs.
