IWC · Pilot

Strap for Pilot's Watch Chronograph Top Gun 50th Anniversary

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 diameter43 mm
ReferenceIW3878-13 (aka: IW387813)
FamilyPilot
MovementIWC caliber 89365 hours, minutes, small seconds | date | Chronograph, Flyback
Year2019
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 Pilot IW3878-13 (aka: IW387813)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Pilot IW3878-13 (aka: IW387813), seen from the bench

The IWC Pilot IW3878-13 is a 43mm stainless steel chronograph representing IWC's continuous aeronautical tradition since 1936. It features the IWC 89365 automatic movement with flyback chronograph, date function, and small seconds indicator. The case diameter is 43mm and the lug width is 20mm, proportions inherited from German aviation specifications.

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