Zenith · Chronomaster Original

Strap for Chronomaster Original Triple Calendar Stainless Steel / Green / 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 diameter38 mm
Reference03.3400.3610/40.C912
FamilyChronomaster Original
MovementZenith caliber El Primero 3610 Hours, Minutes, Small Seconds | Date, Day, Month | 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 Chronomaster Original 03.3400.3610/40.C912

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Chronomaster Original 03.3400.3610/40.C912, seen from the bench

The Zenith Chronomaster Original features the automatic El Primero 3610 caliber with a column-wheel chronograph function. The movement integrates indications of hours, minutes, small seconds, full date with day and month, as well as moon phases. The reference 03.3400.3610/40.C912 represents a technical configuration of the El Primero movement from the Swiss manufacture.

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