Custom IWC Replacement Rubber Strap 20mm 21mm 22mm
Looking for a custom IWC replacement rubber strap with a distinctive texture and flexible fit? This aftermarket IWC rubber watch strap combines a PVC canvas-pattern rubber upper with an FKM rubber bottom, offering a sporty appearance, comfortable feel and multiple customization options.
Available in 20mm, 21mm and 22mm lug widths, this custom rubber strap can be made in a variety of colors and is designed for compatible IWC watches, including selected Portugieser, Portofino, Pilot and Le Petit Prince models.
If you need a different color, size or configuration, contact us before ordering to discuss a custom-made option.
Custom IWC Rubber Strap Features
- Compatible Brand: IWC
- Compatible Collections: Selected Portugieser, Portofino, Pilot, Le Petit Prince and other compatible IWC models
- Lug Sizes: 20mm | 21mm | 22mm
- Upper Material: PVC rubber with embossed canvas pattern
- Bottom Material: FKM rubber
- Colors: Black | Gray | White | Orange | Yellow | Dark Blue | Green | Brown | Red | Powder Blue | Pink | Grass Green | Light Gray | Bright Blue and more
- Construction: Flexible, soft-touch rubber construction
- Water Resistance: Water-repellent rubber material
- Buckle: Not included
- Buckle Option: Compatible IWC tang buckle available separately
- Customization: Custom colors and selected specifications available
- Installation: Tools provided
- Type: Aftermarket replacement watch strap

PVC Canvas Pattern Rubber With FKM Rubber Bottom
This custom IWC rubber strap uses a two-material construction designed to combine appearance, flexibility and everyday comfort.
PVC Canvas Pattern Upper
- The top surface is made from PVC rubber embossed with a canvas-inspired pattern.
- The textured surface gives the strap a more distinctive appearance than a conventional smooth rubber watch band while maintaining the practical characteristics of a rubber material.




Custom Colors For Your IWC Watch
- One of the main advantages of this custom IWC rubber strap is the wide range of available colors.
- Current options include:
- Black | Gray | White | Orange | Yellow | Dark Blue | Green | Brown | Red | Powder Blue | Pink | Grass Green | Light Gray | Bright Blue
- If you are looking for a specific color that is not listed, contact us before ordering.
- Custom color requests may be available depending on the material and production requirements.
- Please note that the actual color may vary slightly from product images depending on lighting, photography and your computer or mobile screen.

Soft FKM Rubber Bottom
- Waterproof
- Bottom color can’t be customized
- The bottom side uses FKM rubber, providing a soft and flexible surface against the wrist.
- FKM rubber is known for its resistance to heat, chemicals and everyday environmental exposure
20mm, 21mm & 22mm IWC Replacement Rubber Strap
This is a replacement rubber strap for compatible IWC watches, rather than a strap made exclusively for one IWC collection.
Depending on the lug width and attachment configuration, it may be suitable for selected:
- IWC Portugieser
- IWC Portofino
- IWC Pilot
- IWC Le Petit Prince
- Other IWC watches with compatible lug dimensions
| Reference | Model Name | Lug Width |
| IW3201 / IW3261 | Pilot Antoine de Saint | 21mm |
| IW371X | Pilot Chronograph | 21mm |
| IW3757 / IW3777 | Pilot Chronograph | 21mm |
| IW3779 / IW3780 | Pilot Chronograph | 21mm |
| IW3878 | Pilot Spitfire Chronograph | 21mm |
| IW3922 | Pilot Perpetual Calendar | 21mm |
| IW329X | Big Pilot 43 | 21mm |
| IW3396 | Big Pilot Perpetual | 21mm |
Other IWC Pilot Lug Widths
| Lug Width | Sub-Series | Example Models | Case Size |
| 20mm | Pilot’s Watch Mark | IW326801 / IW326805 / IW3240xx | 36–39mm |
| 20mm | Pilot Spitfire Automatic | IW326801 / IW326803 | 39mm |
| 20mm | Pilot Chronograph 39 | IW3706-21 | 39mm |
| 21mm | Pilot’s Watch Mark XVIII / XX | IW3270xx / IW3282xx | 40mm |
| 21mm | Pilot Chronograph | IW3717xx / IW3777xx | 41–43mm |
| 21mm | Pilot Spitfire Chronograph | IW3878xx | 41mm |
| 21mm | Big Pilot 43 | IW3293xx | 43mm |
| 22mm | Big Pilot 46 | IW5002xx / IW5010xx / IW5017xx | 46mm |
| 22mm | Big Pilot Perpetual Calendar | IW5026xx / IW5036xx | 46mm |
| 22mm | Pilot Chronograph Top Gun | IW3880xx | 44–46mm |
Need Help Checking Compatibility?
If you are unsure whether this IWC replacement rubber strap fits your watch, send us:
- Your IWC model or reference number
- A clear photo of the watch
- A photo of the existing strap or lugs
- The measured lug width, if available
We can help check the appropriate size and configuration.
IWC Watch Strap Guide-Mark & Pilot Chronograph
If you are choosing a strap specifically for the Mark series, explore our Best Watch Straps & Watch Guide For The IWC Mark for more information on strap sizes, materials, compatibility and styling options.
You can also read our IWC Pilot Chronograph Watch And Watch Strap Guide to learn more about Pilot Chronograph generations, lug widths, strap systems and replacement strap options.
FAQ
Q:Does The IWC Rubber Strap Include A Buckle?
A:No.The standard strap is supplied without a buckle.
If you need a compatible tang buckle, you can purchase an IWC tang buckle separately.
If you plan to reuse your existing buckle, check the buckle width before ordering
Q: Can this IWC rubber strap be customized for EasX-CHANGE watches such as the Mark XX, Pilot Chronograph 41 and Big Pilot 43?
A: Yes. Custom-made options may be available for selected IWC watches with the Quick release system,contact us now
Q:Is The IWC Rubber Strap Waterproof?
A:The rubber materials are designed to be water-repellent and suitable for everyday exposure to sweat, splashes and light moisture.However, the strap does not determine the water resistance of the watch itself.






































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