IWC · Big Pilot

Strap for Big Pilot Perpetual Calendar Boutique Edition Miami

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
ReferenceIW5026-40 (aka: IW502640)
FamilyBig Pilot
MovementIWC caliber 51564 Hours, Minutes, Small Seconds | Date, Day, Month, Perpetual Calendar, Year Indicator | Moonphase
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 Big Pilot IW5026-40 (aka: IW502640)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Big Pilot IW5026-40 (aka: IW502640), seen from the bench

The IWC Big Pilot ref. IW502640 features the caliber 51564 with perpetual calendar complications, moon phases and indicators for day, date, month and year. The functions include hours, minutes, small seconds and the perpetual calendar display with moon phase indication. The movement offers a complex configuration for the automatic management of monthly variations and leap years.

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