Zenith · Pilot

Strap for PILOT Big Date Flyback Black Ceramic / Black

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

Lug width20 mm
Case diameter43 mm
Reference49.4000.3652/21.I001
FamilyPilot
MovementZenith caliber El Primero 3652 hours, minutes, small seconds | big date | Chronograph, column wheel, Flyback
Year2023
CaseCeramic

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Pilot 49.4000.3652/21.I001

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Pilot 49.4000.3652/21.I001, seen from the bench

The Zenith Pilot features the El Primero 3652 automatic caliber with flyback chronograph, column-wheel, and big date functions. The movement offers hour, minute, small seconds, and chronograph with flyback system for instant reset. The reference 49.4000.3652/21.I001 represents the modern evolution of the brand's aviator 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