Breguet · Marine

Strap for Marine 5517 White Gold / Blue / Alligator

The Marine 5517 White 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 diameter40 mm
Reference5517BB/Y2/9ZU
FamilyMarine
MovementBreguet caliber 777A Hours, Minutes, Seconds | Date
Year2018
CaseWhite 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 5517BB/Y2/9ZU

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Marine 5517BB/Y2/9ZU, seen from the bench

The Breguet Marine reference 5517BB/Y2/9ZU represents the Swiss manufacturer's nautical collection. The watch is equipped with the Breguet 777A caliber with hour, minute, second and date indication functions. The movement ensures the essential time reading functions in a classic three-hand format.

Frequently asked questions

What is the lug width of the Breguet Marine 5517BB/Y2/9ZU?

The Breguet Marine 5517BB/Y2/9ZU is fitted with 20mm lugs. This measurement is verified by placing a digital caliper between the two upper lugs of the case at the strap attachment point. All straps with 20mm lugs are compatible with this model.

What is the best strap for the Breguet Marine 5517BB/Y2/9ZU in white gold?

For the Marine 5517BB/Y2/9ZU in white gold, midnight blue alligator or black box calf represent the most coherent choices with the precious case and silvered guilloché dial. Blue echoes the model's nautical vocation, while black ensures formal versatility. Vulcanized rubber is recommended for marine or sports contexts.

How do you change the strap on the Breguet Marine 5517BB/Y2/9ZU?

The strap on the Breguet Marine 5517BB/Y2/9ZU is removed using a spring bar tool with a fork or fine tip, inserting the tool into the spring bar seat positioned between the lugs. It is recommended to rest the case on a soft cloth to avoid scratches on the white gold. The operation takes approximately two minutes for those with minimal familiarity with watch tools, or can be performed by a watchmaker or the Casati Milano atelier.

Are there aftermarket straps compatible with the Breguet Marine 5517BB/Y2/9ZU?

Yes, all straps with standard 20mm lugs are compatible with the Breguet Marine 5517BB/Y2/9ZU, provided the spring bar ends have the correct diameter. Milano Straps offers a selection of artisanal 20mm straps in alligator, calf, nylon, and rubber, crafted to order or available ready to ship, compatible with this Breguet reference.

How long does a leather strap last on a Breguet Marine 5517BB/Y2/9ZU?

The lifespan of a leather strap depends on the quality of the leather, frequency of use, and exposure to sweat and humidity. A high-quality alligator or box calf strap, with moderate daily use, typically lasts between 18 and 36 months. Straps produced by Casati Milano are guaranteed for 18 months against manufacturing defects. Storing the strap away from heat and humidity sources significantly extends the life of the leather.

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