Zenith · Class
Strap for Class Sport El Primero Stainless Steel / Silver / Strap
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
20mm
Lug width20 mm
Case diameter40 mm
Reference03.0510.400/04.C491
FamilyClass
MovementZenith caliber El Primero 400 hours, minutes, small seconds | date | Chronograph, column wheel
CaseStainless Steel
Straps for the Class 03.0510.400/04.C491
Selected for the 20 mm lug width · workshop selection
Black Rubberized Alligator Strap with Red Tribal Stitching€185
Matte Dark Gray Alligator Strap€195
Millennium Green Alligator Strap — Minimal Stitching€149
Vintage Brown Calfskin Strap — Natural Patina€98
Hammered Calfskin Strap Light Blue€98
The Class 03.0510.400/04.C491, seen from the bench
The Zenith Class reference 03.0510.400/04.C491 is equipped with the El Primero 400 caliber with a column-wheel chronograph function. The movement offers indication of hours, minutes, small seconds and date. The chronograph uses the traditional column-wheel architecture for the control of start, stop and reset functions.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
