Collection: 21mm Watch Straps

Upgrade your watch with our exclusive range of 21mm watch straps, designed for a perfect fit and comfort. At Wrist Envy we know finding a 21mm strap can be hard — that’s why we’ve curated a premium selection of leather watch strap, rubber, NATO, and stainless steel 21mm watch straps to fit every watch and every occasion. Some of our 21mm watch straps are best sellers, loved by our customers.

Whether you’re refreshing your daily watch, upgrading your smartwatch or replacing a worn strap, our 21mm bands are durable, elegant and practical. They’re a great choice for those who want quality and style. Choose from a variety of colours, blue, white and yellow to match your style. Each strap is made from high quality materials and designed to fit snugly between your watch lugs for a secure and stylish finish.

Wrist Envy has a wide range of 21mm watch straps in stock for immediate dispatch.

The Perfect Fit: 21mm Watch Straps for Every Style

Finding a 21mm strap that fits your watch and wrist perfectly is key to comfort and looks. These 21mm straps are designed to fit watches with a 21mm lug width, so they’re compatible and fit snug. Our range includes 21mm leather straps, 21mm NATO straps, 21mm rubber bands and 21mm metal bracelets — each one precision cut and designed to fit 21mm lug widths for a comfortable wear.

With Wrist Envy you can try straps in many styles, finishes and materials. From classic black leather and vintage brown to bold colours and modern stainless steel finishes, our 21mm range makes it easy to find the perfect match for your watch by choosing the right strap width for your watch. To determine the correct fit, measure your watch’s lug width in mm by measuring the distance between the lugs on the watch case, don’t include the pins or spring bars in your measurement. Measuring your watch’s lug width ensures a comfortable and secure fit so you can wear with style and ease.

21mm Leather Watch Straps – Classic Style

Timeless Quality and ComfortOur 21mm leather watch straps are classic style. Made from genuine and Italian leather they’re elegant and everyday comfortable. Soft, flexible and breathable they mold to your wrist over time.

Choose from smooth, polished or vintage finishes with options in black, brown, tan and navy. Many have contrast stitching, padded profiles and quick-release spring bars for easy fitting. A 21mm leather strap gives any watch a sophisticated and refined look that never goes out of style.

21mm NATO & Nylon Watch Bands – Rugged Practicality

For Adventure and Everyday Wear

If you prefer durability and practicality our 21mm NATO straps and nylon watch bands are the way to go. Inspired by military design these one-piece straps provide extra security and a sporty edge. Made from durable ballistic nylon or woven fabric they’re perfect for casual wear, outdoor activities or sports watches.

Available in black, olive green, navy, grey and striped patterns our NATO 21mm watch straps have easy installation, a secure hold and all day comfort. The stainless steel buckles and keepers keep your watch firmly in place even during active use.

21mm Rubber Watch Straps – Sporty and Tough

For Diving, Sports and Smartwatches

For active lifestyles our 21mm rubber watch straps deliver comfort, flexibility and resilience. Water resistant and easy to clean these straps are perfect for divers, athletes and smartwatch users. The soft silicone or fluoro rubber design provides a snug fit and smooth feel against the skin.

Whether you’re swimming, training or heading to work a 21mm rubber strap gives you performance and style. Available in matte black, navy and bold modern colours these straps are compatible with many major watch brands and smartwatches that use a 21mm fitting.

21mm Stainless Steel Watch Bands – Modern Elegance

Strength and Sophistication

Our 21mm metal watch straps bring modern luxury and durability to your timepiece. Made from 316L stainless steel these bands have brushed, polished or PVD-coated black finishes. Choose from mesh designs for elegance or solid link bracelets for a bold look.Perfect for formal watches or those who prefer a substantial feel on the wrist our metal straps are fully adjustable and come with secure folding or butterfly clasps for all day confidence.