WATCH STRAPS
Clam® Premium Flexible Rubber Strap for Rolex – 20mm & 21mm
Price range: £50.00 through £80.00
Crafted from premium FKM rubber, these universal flexible straps are engineered for durability, comfort, and everyday performance. FKM rubber provides outstanding resistance to water, sweat, UV exposure, and temperature changes, making it ideal for both active lifestyles and daily wear while maintaining excellent flexibility and long-term resilience.
Finished in classic black, the straps are available in 20mm and 21mm lug widths, with Small and Large wrist configurations to ensure a comfortable, balanced fit. Designed to complement the clean, sporty aesthetic of luxury sports watches, they pair perfectly with timepieces from Rolex.
For added versatility, the straps are offered with five buckle options, allowing you to match the hardware to your watch for a seamless, integrated look.
The strap is also compatible with your existing Rolex buckle, giving you the option to reuse your original clasp for a fully authentic finish.
Each Strap includes:
- 1x Watch Strap
- 1x Stainless Steel Buckle
- 2x Spring bars
- 1x Strap applicator tool
- 1-year limited warranty*
*Only available on products purchased directly from our website, Terms and conditions apply
| Weight | 40 g |
|---|---|
| Strap Size | 20mm – Large 20mm – Small 21mm – Large 21mm – Small |
| Lug Width (mm) | 20mm, 21mm |
| Materials | FKM Rubber |
| Colour | Black |
| Wrist size | Large (7 Inches+), Small (5-7inches) |
| Buckle type | No buckle, Brushed, Center Polished, Two-Tone Gold, Full Gold |
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| Destination | Delivery | £25+ | £90+ |
|---|---|---|---|
| United Kingdom & Ireland | 1 – 2 days | Free | Free |
| Europe | 3 – 5 days | £8.00 | Free |
| United States | 5 – 7 days | £15.00 | Free |
| Australia | 5 – 7 days | £15.00 | Free |
| Japan | 5 – 7 days | £15.00 | Free |
| New Zealand | 5 – 7 days | £15.00 | Free |
Orders shipped to the EU may be subject to customs duty, local VAT, and carrier handling fees on delivery. These charges are the responsibility of the recipient and are not included at checkout. Please see our customs duties page for more information.
- Free UK shipping on all orders over £25
- 14 days easy returns
- Taxes and customs duties paid in destination country
We accept the following payment methods:
CUSTOMER QUESTIONS
FREQUENTLY ASKED QUESTIONS
FREQUENTLY ASKED QUESTIONS
Check your watch's lug width (the distance between the two points where the strap attaches). Most straps list the lug width in millimeters (e.g., 20mm, 22mm). Make sure it matches your watch for a proper fit.Please also check the product description to ensure that this strap is compatible for your watch.
Our straight end-link straps are designed to fit most watches with compatible lug widths. However, some brands use proprietary systems that use a curved end-link. (like Rolex, Tudor and Omega), so please check the product description for compatibility details.
We offer a variety of materials including silicone rubber, FKM rubber, genuine leather, NATO-style nylon, and more. Each material has its own look and feel—check the product size and materials to find one that suits your style and needs.
Most straps can be replaced at home using a spring bar tool (often included with your order). If you’re not comfortable doing it yourself, a local watch shop can usually help for a small fee.
Many of our straps include pre-installed quick-release spring bars or come with a spring bars and an application tool, but it varies by product. Please check the individual listing for what’s included.
For leather: Avoid water and clean gently with a damp cloth.
For silicone/nylon: Wipe clean with soap and water as needed.
Yes! We offer a hassle-free return and exchange policy. Please see our Returns page for full details, including eligibility and timeframes.
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