Breguet · Marine

Strap for Marine Hora Mundi 5557 Rose Gold / Blue / Alligator

The Marine Hora Mundi 5557 Rose Gold / Blue / Alligator takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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Lug width20 mm
Case diameter44 mm
Reference5557BR/YS/9WV
FamilyMarine
MovementBreguet caliber 77F1 Day / Night Indication, Hours, Minutes, Seconds, World time | Date
Year2022
CaseRose Gold

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Marine 5557BR/YS/9WV

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Marine 5557BR/YS/9WV, seen from the bench

The Breguet Marine 5557BR/YS/9WV is a 43.90mm rose gold timepiece from the Marine collection featuring the Caliber 77F1 automatic movement with world time indication and day/night display across 24 time zones. The dial showcases hand-engraved Roman numerals and guilloché work in the Parisian tradition, while blued steel hands and hand-engraved case back complete the refined aesthetic. The lug width is 20mm, a standard size in haute horlogerie that ensures compatibility with high-end aftermarket straps.

Frequently asked questions

What is the lug width of the Breguet Marine 5557BR/YS/9WV?

The lug width of the Breguet Marine 5557BR/YS/9WV is 20mm. This is the internal distance between the two case lugs and can be measured with a caliper after removing the original strap. This width is compatible with the wide range of handcrafted 20mm straps available on milanostraps.it.

What is the best strap for the Breguet Marine 5557BR/YS/9WV in rose gold?

For the Breguet Marine 5557BR/YS/9WV in rose gold, the most suitable materials are alligator in cognac or burgundy tones, which enhance the warm hue of rose gold, or matte black calf for a formal contrast. Navy NATO is the ideal choice for those who want to emphasize the Marine collection's nautical character. The choice depends on your intended use and personal style.

How do you change the strap on a Breguet Marine 5557BR/YS/9WV?

To change the strap on the Breguet Marine 5557BR/YS/9WV, you must remove the spring bars that secure the original strap to the case lugs using a dedicated springbar tool. It is recommended to perform this operation on a soft surface to protect the rose gold case from scratches. Alternatively, the operation can be performed free of charge at the Casati Milano atelier.

Are there aftermarket straps compatible with the Breguet Marine 5557BR/YS/9WV?

Yes, the Breguet Marine 5557BR/YS/9WV accepts any aftermarket strap with a 20mm lug width and 18mm tail width. On milanostraps.it you will find a selection of handcrafted straps in alligator, calf, NATO and rubber, made with premium materials and compatible with the original lugs of this reference.

How long does a leather strap last on a Breguet Marine 5557BR/YS/9WV?

The lifespan of a leather strap depends on the material, frequency of use, and care. A quality alligator strap, worn in rotation and kept away from prolonged water exposure, can last 3 to 5 years while maintaining optimal appearance and structure. Casati Milano straps are covered by an 18-month warranty against manufacturing defects. To extend its lifespan, avoid direct exposure to sweat and periodically apply a neutral leather conditioner.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only

The atelier's website: casatimilano.com