IWC · Pilot

Strap for Pilot's Watch Mark XV Spitfire Stainless Steel / Black / Strap

Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

19mm
Lug width19 mm
Case diameter38 mm
ReferenceIW3253-11 (aka: 3253-11, IW325311)
FamilyPilot
MovementIWC caliber 37524 hours, minutes, seconds, world time | date
Year2003 - 2005
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 IW3253-11 (aka: 3253-11, IW325311)

Selected for the 19 mm lug width

All 19 mm straps →

The Pilot IW3253-11 (aka: 3253-11, IW325311), seen from the bench

The IWC Pilot IW325311 features the caliber 37524 with functions of hours, minutes, seconds, world time and date. The watch has 19mm lugs and offers the World Time complication for the simultaneous reading of different time zones. The movement ensures the essential functionalities for aerial navigation with date indication.

Frequently asked questions

What is the lug width of the IWC Pilot IW3253-11?

The IWC Pilot IW3253-11 features a lug width of 19mm. This measurement is the standard for mid-sized wristwatches and is the primary parameter for selecting compatible straps. The lugs exhibit a subtle taper towards the case, a constructive characteristic that requires straps specifically cut for this geometry.

Which strap is best suited for the IWC Pilot IW3253-11?

For the IW3253-11, we recommend alligator of superior quality in cognac or black tones: it emphasises the black dial while maintaining the timeless elegance of Pilot design. Vegetable-tanned calf is an excellent alternative for those who appreciate leather ageing and colour evolution over time. For sporadic use, 300D NATO fabric preserves the austere avionic character with the convenience of rapid changing.

How do you change the strap on the IWC Pilot IW3253-11?

Strap replacement requires removal of the lugs using a small screwdriver or dedicated tool. Position the watch on a stable base, place the screwdriver on the small spring of the lug (from the side), press gently upward until the lug exits the hole. Repeat for the lower lug, then position the new strap by aligning the holes with the lugs and press until it clicks.

Is an aftermarket 19mm strap compatible with the IWC Pilot IW3253-11?

Yes, any aftermarket strap with a 19mm lug width is compatible with the IW3253-11. However, we recommend verifying that the strap is specifically cut for tapered lugs: IWC design provides a slight convergence towards the case, and standard straps may present small lateral gaps. MilanoStraps provides custom-made straps that precisely respect this geometry.

How long does a leather strap last on the IWC Pilot IW3253-11?

Durability depends on material and usage. Superior-quality alligator with vegetable tanning lasts an average of 4-6 years with moderate daily wear, developing a noble patina. Calf leather has similar longevity but ages more rapidly. 300D NATO fabric resists 5-8 years. MilanoStraps offers an 18-month warranty on all bespoke straps and provides assistance in maintenance and renewal.

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