Breguet · Marine

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

The Marine Hora Mundi 5557 Rose Gold / Blue / Bracelet 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/RW0
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/RW0

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Marine 5557BR/YS/RW0, seen from the bench

The Marine 5557BR/YS/RW0 features the Breguet 77F1 caliber with hour, minute, second, date and day/night indication functions. The watch integrates a world time complication for the display of multiple time zones. The case is made of rose gold with a rubber strap.

Frequently asked questions

What is the lug width of the Breguet Marine 5557BR/YS/RW0?

The Breguet Marine 5557BR/YS/RW0 is fitted with a 20mm lug width. This measurement should be taken inside the case lugs with a caliper to ensure precise compatibility with replacement straps.

What is the best strap for the Breguet Marine 5557BR/YS/RW0?

For the rose gold version of the Breguet Marine 5557BR/YS/RW0, an alligator strap in lisse or semi-gloss finish in cognac brown or burgundy tones is the most coherent choice. Alternatively, box-calf leather develops a patina over time that enhances the warm tone of the case.

How do you change the strap on a Breguet Marine 5557BR/YS/RW0?

Strap changes on the Breguet Marine 5557BR/YS/RW0 are accomplished using standard 20mm spring bars. A dedicated padded-tip spring bar tool is recommended to avoid scratching the rose gold lugs. If unsure, it is preferable to contact a watchmaker or Casati Milano service.

Are there aftermarket straps compatible with the Breguet Marine 5557BR/YS/RW0?

Yes. 20mm aftermarket straps compatible with the Breguet Marine 5557BR/YS/RW0 are available on milanostraps.it in various materials and finishes. For the curved lugs of the Marine model, straps with curved ends or soft leather that adapts to the case profile are recommended.

How long does a leather strap last on a Breguet Marine 5557BR/YS/RW0?

The lifespan of a leather strap depends on the quality of tanning, frequency of use, and exposure to moisture and perspiration. A high-quality artisanal alligator or calf leather strap, used with care and rotated regularly, can last three to five years while maintaining structural and aesthetic integrity. Casati Milano straps are covered by an 18-month warranty against manufacturing defects.

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