Zenith · Chronomaster Sport

Strap for Chronomaster Sport Rose Gold / Black / Rubber

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

Lug width20 mm
Case diameter41 mm
Reference18.3101.3600/21.R951
FamilyChronomaster Sport
MovementZenith caliber El Primero 3600 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel
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 Chronomaster Sport 18.3101.3600/21.R951

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Chronomaster Sport 18.3101.3600/21.R951, seen from the bench

The Zenith Chronomaster Sport is powered by the El Primero 3600 caliber with column-wheel chronograph function. The movement offers hour, minute, small seconds and date indications. The reference 18.3101.3600/21.R951 represents a contemporary version of the Chronomaster collection.

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