IWC · Big Pilot

Strap for Big Pilot Mojave Desert

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

22mm
Lug width22 mm
Case diameter46 mm
ReferenceIW5060-03 (aka: IW506003)
FamilyBig Pilot
MovementIWC caliber 52110 hours, minutes, seconds | date | power reserve indicator
Year2021
CaseTitanium, Ceramic

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 IW5060-03 (aka: IW506003)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Big Pilot IW5060-03 (aka: IW506003), seen from the bench

The Big Pilot IW506003 houses the IWC 52110 automatic caliber with power reserve indicator, hours, minutes, seconds, and date. The watch features 22mm lugs and the robust construction typical of the brand's pilot's watch collection. The movement offers an extended power reserve and represents the modern evolution of pilot's timepieces.

Frequently asked questions

What lug width does the IWC Big Pilot IW5060-03 have?

The Big Pilot IW5060-03 features a 22-millimeter lug width. This measurement is specific to the model and ensures proper visual proportion relative to the 46.2-millimeter case. Verify compatibility by measuring with a caliper the internal distance between the two lugs of the hosel.

Which strap should I choose for the Big Pilot IW5060-03?

We recommend satin black alligator as a universal choice, or vegetable-tanned calf for those preferring natural patina that develops over time. Shell cordovan is ideal for extreme durability and color development. Avoid lacquered leathers: the Big Pilot requires discrete materials that do not compete with the case.

How do I change the strap on the IWC Big Pilot IW5060-03?

Use a spring bar remover (specialized tool) or a flat toothpick. Position the tip between the lug and the pin, gently push downward to compress the internal spring, then extract the pin. Repeat on the opposite side, remove the old strap, align the new one with the lugs, and press the pins until they click into place. Do not force: the movement should be fluid.

Is an aftermarket strap compatible with the Big Pilot IW5060-03?

Yes, provided the lug width is exactly 22 millimeters. All 22mm straps—handcrafted or industrial—will fit physically. We recommend brands that prioritize leather quality and stitching: the Big Pilot deserves materials at its own level.

How long does a leather strap last on a wristwatch?

A quality leather strap, with proper maintenance, lasts 3-5 years under normal daily-use conditions. Exposure to sweat, moisture, and UV rays accelerates wear. Shell cordovan lasts longer (5-7 years). Milano Straps offers an 18-month warranty on Casati handcrafted straps, with repair and replacement options available.

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.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only