Cartier · Rotonde de Cartier

Strap for Rotonde de Cartier Mysterious Hour White Gold / Diamond

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter42 mm
ReferenceHPI00636
FamilyRotonde de Cartier
MovementCartier caliber 9981 MC hours, minutes
Year2015
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 Rotonde de Cartier HPI00636

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Rotonde de Cartier HPI00636, seen from the bench

The Cartier Rotonde de Cartier HPI00636 is a white gold timepiece with a 42mm round case and manual or automatic movement featuring the Cartier caliber 9981 MC. The 20mm lug width accommodates various strap options while maintaining the geometric purity and balanced proportions characteristic of the Rotonde collection. The white gold case, with satin and polished finishing, develops a natural patina over time.

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