IWC · Pilot

Strap for Pilot's Watch Double Chronograph Stainless Steel / Black-Silver / Calf / Watches of Switzerland

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

ReferenceIW3718-13 (aka: IW371813)

FamilyPilot

MovementIWC caliber 79420 hours, minutes, small seconds | date, day | Chronograph, Rattrapante

Year2019

CaseStainless 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 IW3718-13 (aka: IW371813)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Pilot IW3718-13 (aka: IW371813), seen from the bench

The IWC Pilot IW3718-13 is a 44mm stainless steel double chronograph with lug width of 20mm, featuring the automatic caliber IWC 79420. This watch traces its heritage to the 1936 Pilot's Watch Mark XI and combines hour, minute, small seconds, date, and day functions with a split-seconds chronograph complication. The satin-finished steel case and unidirectional rotating bezel emphasize functional design for critical readability and structural durability.

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