IWC · Pilot

Strap for Pilot's Watch Spitfire Perpetual Calendar Digital Date-Month Stainless Steel

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 diameter46 mm
ReferenceIW3791-07 (aka: 3791-07, IW379107)
FamilyPilot
MovementIWC caliber 89801 Hours, Minutes, Small Seconds | Big Date, Leap Year, Month, Perpetual Calendar, Date | Chronograph, Flyback
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 IW3791-07 (aka: 3791-07, IW379107)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Pilot IW3791-07 (aka: 3791-07, IW379107), seen from the bench

The Pilot IW3791-07 is equipped with the IWC 89801 caliber, featuring flyback chronograph and full perpetual calendar functions with big date, month and leap year indication. The watch integrates hour, minute and small second indications alongside the perpetual calendar complications. The automatic movement combines the chronograph functionality with the perpetual calendar display.

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