Breguet · Marine

Strap for Marine Chronograph 5827 White Gold / Silver / Rubber

The Marine Chronograph 5827 White Gold / Silver / Rubber 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 diameter42 mm
Reference5827BB/12/5ZU
FamilyMarine
MovementBreguet caliber 583Q/1 Hours, Minutes, Small seconds | Date | Chronograph, Flyback, Column wheel
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 5827BB/12/5ZU

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Marine 5827BB/12/5ZU, seen from the bench

The Breguet Marine 5827BB/12/5ZU is a chronograph honoring the historic bond between Abraham-Louis Breguet and the French Royal Navy since 1815. This 42mm white gold case features a guilloché dial with wave motif and blued steel hands. The Breguet 583Q/1 caliber integrates hours, minutes, small seconds, date, and a flyback chronograph with column wheel for precise mechanical control. The 20mm lug width requires a strap with shaped ends to maintain visual continuity with the curved case shoulders.

Frequently asked questions

What is the lug width of the Breguet Marine 5827BB/12/5ZU?

The Breguet Marine 5827BB/12/5ZU has a 20mm lug width. To verify this, measure with a digital caliper the distance between the two case lugs at the crystal contact points: the correct reading is 20mm. All compatible straps available on milanostraps.it are offered in this size.

What is the best strap for the Breguet Marine 5827BB/12/5ZU?

For the white gold case and blue guilloché dial, a polished alligator strap in midnight blue or cognac brown tones is the most coherent choice. Mississippiensis or Niloticus alligator in polished leather complements the guilloché without obscuring it. For more sporty contexts, vulcanized rubber is materially relevant to the model's nautical vocation.

How do you change the strap on the Breguet Marine 5827BB/12/5ZU?

The Breguet Marine 5827BB/12/5ZU strap is removed using a dedicated springbar tool inserted into the lug slot to compress the spring barrels. We recommend working on a soft cushion with the case inverted to avoid scratches on the white gold. If in doubt, authorized Breguet service centers or the Casati Milano atelier can perform the replacement during your bespoke appointment.

Are there aftermarket straps compatible with the Breguet Marine 5827BB/12/5ZU?

Yes. Any strap with a 20mm lug width and pre-curved ends is technically compatible. milanostraps.it offers a selection of artisanal quality aftermarket straps designed to respect the geometry of the Breguet Marine case: shaped ends, calibrated heel thickness, and finishes consistent with the level of the original timepiece.

How long does a leather strap last on the Breguet Marine 5827BB/12/5ZU?

A high-quality alligator or calf leather strap, with proper care, lasts on average between 2 and 4 years of regular use. Frequent exposure to salt water or sweat accelerates leather fiber degradation: for a chronograph with marine vocation, it is advisable to alternate two straps or opt for rubber in more dynamic contexts. 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.

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

The atelier's website: casatimilano.com