IWC
Pilot IW3253-13 (aka: IW325313)— lug 19mm
IWC Pilot IW3253-13 (aka: IW325313): 19mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 19mm lug width to preserve the original sartorial balance."
Technical Specifications
IWC IW3253-13 (aka: IW325313)The essential strap measurement.
Browse 19mm straps →IW3253-13 (aka: IW325313)
IWC caliber 37524 Hours, Minutes, Seconds, World Time | Date
The Heritage
Compatible Straps
Selected for the 19mm lug width of the Pilot
FAQ
What is the lug width of the IWC Pilot IW3253-13?
The IWC Pilot IW3253-13 features a lug width of 19 millimetres. This specific dimension is compatible exclusively with straps fitted with lugs calibrated for this size; straps of 18mm or 20mm cannot be used without modification to the watch's lugs.
Which strap material pairs best with the IWC Pilot IW3253-13?
For the IWC Pilot IW3253-13, we recommend straps in calf leather or alligator (vegetable-tanned for aesthetic consistency with the brushed steel case), or premium structured rubber. Monochromatic options—black, dark brown, military green—enhance the balanced proportions of the case. Synthetic or coarse-woven straps are inadvisable, as they visually overweight the case and compromise overall balance.
How do I change the strap on the IWC Pilot IW3253-13?
Strap replacement is achieved by withdrawing the spring bars (pins) that connect the lugs to the case. A dedicated spring bar tool is recommended to prevent scratching, exercising caution to prevent the micro-springs from being lost. Without prior experience, it is preferable to entrust the task to an authorised IWC centre or specialised atelier, where the service is swift and guaranteed.
Can I use third-party aftermarket straps on the IWC Pilot IW3253-13?
Yes, provided the lug width conforms to 19 millimetres. However, not all aftermarket straps guarantee the same quality and durability as certified IWC straps. It is essential to verify that the strap is manufactured in superior-grade leather (preferably vegetable-tanned) and that the finishing details—stitching, passants, buckle—display the same artisanal care as the watch. A poorly made strap not only compromises aesthetics but may also cause accelerated wear to the lugs.
How long does a leather strap last on a watch like the IW3253-13 in daily wear?
The lifespan of a leather strap depends upon construction quality and environmental conditions. A strap in calf leather with vegetable tanning maintains its characteristics for 18–24 months under daily wear. Factors such as moisture exposure, perspiration, UV radiation and thermal fluctuations may accelerate degradation. Shell cordovan—denser and more resistant—can endure beyond three years. Periodic maintenance (cleaning, application of natural balms) significantly extends the material's lifespan.
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 →By appointment only · Milan
The atelier's website: casatimilano.com