Zenith · El Primero

Strap for El Primero Tourbillon Rose Gold / Silver

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

Lug width20 mm
Case diameter44 mm
Reference18.2050.4035/01.C713
FamilyEl Primero
MovementZenith caliber El Primero 4035 D hours, minutes, small seconds | date | Chronograph, column wheel | tourbillon escapement
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 El Primero 18.2050.4035/01.C713

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The El Primero 18.2050.4035/01.C713, seen from the bench

The Zenith El Primero was introduced in 1969 as one of the world's first automatic chronograph movements. The El Primero 4035 D calibre integrates hour, minute, small seconds, date, chronograph with column wheel and tourbillon escapement functions. The reference 18.2050.4035/01.C713 represents a modern variant of the historic El Primero 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