Rubber Strap for IWC Portugieser Automatic 40mm - SwimSkin® Ballistic

Vulcanized Rubber strap engineered to fit Rubber Strap for IWC Portugieser Automatic 40mm. Features "SwimSkin®"; our exclusively patented and innovative rubber technology. 

Buckle image

If you already have your own 18mm Tang Buckle or Deployant buckle that you feel should be compatible with this strap, then you can select "I do not need a buckle".

Or you can purchase the Fine Tang Buckle shown here (an extra option to select on this product page). Our versatile and elegant, 18mm Fine Tang Buckle is made of 316L Stainless Steel for a lifetime finish, and does not have any logo.

If you ever purchase this strap alone, and later find that you needed a buckle, then you will be able to provide us with your order number so you can purchase our fine buckle separately at that time. In this event, UPS Ground Shipping will be free for continental USA addresses, while other destinations will be charged a shipping fee for buckles sold separately.

* Watch and buckle not included
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Universal Straps for All Watches
As low as $280
  • Although this strap's surface looks similar to Kevlar® material, it is actually 100% RUBBER, and therefore waterproof for all aquatic activities, including salt water and chlorine water (always rinse the strap afterward for long-term suppleness).
  • It is made in Switzerland of pure vulcanized rubber—no coatings, blends, or bonding.
  • Meets FDA and BVGG Specifications: non-toxic, non-marking, non-allergen, does not attract dust.
  • Same size as the standard OEM strap ( 6 - 7 7/8 inches or 15 - 20 cm )
  • This strap is NOT compatible with deployant-style buckles. It is designed for the customer's own tang buckle with similar holes as shown in the alternate views, or any similar 18mm tang buckle. NOT compatible with the deployant buckle.
  • Watch and Buckle NOT included. A Rubber B Tang Buckle is available for purchase.
Shipping guarantee

Any products that can be added to the shopping cart are in-stock and available for immediate shipping.

Orders received by 4pm EST ship out the same business day (M-F excluding holidays) with live tracking via UPS.


Please visit the following pages to view Frequently Asked Questions , Installation Tips or Installation Videos.

Ask a question
We can be reached via telephone (M-F / 9-5 EST) at 1 (305) 771-2369 or send us a message HERE for a reply the same business day.
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