Zenith · El Primero

Strap for El Primero Chronomaster Grande Date Black

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

Lug width18 mm
Case diameter46 mm
Reference03.2160.4047/21.C714
FamilyEl Primero
MovementZenith caliber El Primero 4047 hours, minutes, small seconds | date | Chronograph, column wheel | moonphase
CaseStainless 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 El Primero 03.2160.4047/21.C714

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The El Primero 03.2160.4047/21.C714, seen from the bench

The El Primero was introduced by Zenith in 1969 as the world's first automatic chronograph movement. This model mounts the El Primero 4047 caliber with column-wheel chronograph functions, moon phases and date. The movement features small seconds, hour and minute indication with a column-wheel mechanism for the chronograph.

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