IWC · Big Pilot

Strap for Big Pilot’s Watch Monopusher Edition Le Petit Prince

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
ReferenceIW5152-02 (aka: IW515202)
FamilyBig Pilot
MovementIWC caliber 59365 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel, Monopoussoir | Power Reserve Indicator
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 IW5152-02 (aka: IW515202)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Big Pilot IW5152-02 (aka: IW515202), seen from the bench

The Big Pilot IW515202 features the IWC 59365 caliber with a mono-pusher column-wheel chronograph and power reserve indicator. The functions include hours, minutes, small seconds, date and chronograph. The watch has 22mm lug width.

Frequently asked questions

What is the lug width of the IWC Big Pilot IW5152-02?

The lug width of the IWC Big Pilot IW5152-02 is 22mm. This measurement is taken between the inner edges of the case lugs and allows the use of compatible aftermarket straps designed for this specific lug width. Use a digital calliper for precise measurement.

What is the best strap for the IWC Big Pilot IW5152-02?

The ideal strap depends on intended use and aesthetic preferences. Alligator with fine grain offers elegance and versatility; shell cordovan adds character and patina over time; vegetable-tanned leather features accentuated texture; NATO ensures functional robustness; FKM rubber performs in extreme conditions. We recommend considering your primary wear context.

How do I change the strap on my IWC Big Pilot IW5152-02?

To change the strap, use a spring bar tool to gently compress the elastic pins at the lug ends. Remove the old strap by sliding the pins laterally, then insert the new strap by aligning the holes and releasing the pins. Perform this operation on a soft cloth to prevent case scratches.

Which aftermarket straps are compatible with the IWC Big Pilot IW5152-02?

Any strap with a 22mm lug width is compatible with the IWC Big Pilot IW5152-02. You will find customizable straps online in alligator, calf leather, shell cordovan, vegetable-tanned leather, NATO, and FKM rubber. MilanoStraps offers a complete collection of 22mm straps ready for shipment.

How long does a leather strap last on an IWC Big Pilot IW5152-02?

A quality leather strap, worn daily, has an average lifespan of 2-4 years depending on the material and maintenance. Shell cordovan and vegetable-tanned leather tend to last longer. Rotating with other straps significantly extends useful life. Casati Milano guarantees its straps for 18 months.

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