IWC · Pilot

Strap for Pilot’s Watch Timezoner Chronograph

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

Lug width

20mm

20 mm straps All IWC

Lug width20 mm

Case diameter44 mm

ReferenceIW3950-01 (aka: 3950-01, IW395001)

FamilyPilot

MovementIWC caliber 89760 hours, minutes, small seconds, Additional 24 hours Hand (adjustable) | date | Chronograph, Flyback

Year2016

CaseCeramic, Stainless Steel

Spring bar

Swiss Standard universal spring bars

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

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Straps for the Pilot IW3950-01 (aka: 3950-01, IW395001)

Selected for the 20 mm lug width · workshop selection

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The Pilot IW3950-01 (aka: 3950-01, IW395001), seen from the bench

The IWC Pilot's Watch Top Gun IW3950-01 is a 44mm chronograph featuring a black ceramic and stainless steel case with a 20mm lug width. Powered by the IWC 89760 automatic caliber with flyback function and independent 24-hour hand, it exemplifies military aviation watchmaking heritage since 1936. Every component—from the unidirectional bezel to the high-contrast dial—prioritizes legibility and technical precision over ornament.

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