Breguet · Classique

Strap for Classique Hora Mundi 5727 White Gold / White

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

18mm

18 mm straps All Breguet

Lug width18 mm

Case diameter43 mm

Reference5727BB/12/9ZU

FamilyClassique

MovementBreguet caliber 77F0 Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable), Day / Night Indication | Date

CaseWhite Gold

Spring bar

Swiss Standard universal spring bars

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

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Straps for the Classique 5727BB/12/9ZU

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Classique 5727BB/12/9ZU, seen from the bench

The Breguet Classique 5727BB/12/9ZU pairs a 43mm white gold case with a sunburst guilloche dial, applied Roman numerals, and blued pomme hands. The in-house caliber 77F0 automatic movement features a micro-rotor, hand-finishing, and dual time-zone display with AM/PM indicator. Water resistant to 30 meters, it features sapphire crystals front and back. The 18mm lug width accommodates compatible third-party straps.

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