Zenith · Chronomaster Sport

Strap for Chronomaster Sport Stainless Steel / Boutique Edition

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
Reference03.3103.3600/69.R950
FamilyChronomaster Sport
MovementZenith caliber El Primero 3600 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel
CaseCeramic, Stainless Steel

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 03.3103.3600/69.R950

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Chronomaster Sport 03.3103.3600/69.R950, seen from the bench

The Zenith Chronomaster Sport reference 03.3103.3600/69.R950 is a contemporary evolution of one of watchmaking's most iconic chronographs. It features the legendary El Primero 3600 calibre, an automatic movement with 36,000 vibrations per hour and column-wheel chronograph, housed in a 41mm case combining stainless steel and ceramic. The 20mm lug width ensures compatibility with various straps while maintaining design proportions on this professional instrument.

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