Cartier · Rotonde de Cartier

Strap for Rotonde de Cartier 43.5 Day & Night Pink Gold / Silver

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

Lug width18 mm
Case diameter43 mm
ReferenceW1556243
FamilyRotonde de Cartier
MovementCartier caliber 9912 MC hours, minutes, day / Night Indication | moonphase
Year2014
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 Rotonde de Cartier W1556243

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Rotonde de Cartier W1556243, seen from the bench

The Rotonde de Cartier reference W1556243 is powered by the in-house 9912 MC caliber with hour, minute, day/night indicator, and moon phases. The movement features astronomical complications integrated into the design of the Rotonde collection. The round case embodies Cartier's iconic design codes, with a crown decorated by a cabochon.

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