Image of Sera — Magnetic Loop — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Loop — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Loop — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Loop — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Loop — Apple Watch - Nothing but Bands
Image of Sera — Magnetic Loop — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Loop — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Silicone Sport Band — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Loop — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Loop — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Loop — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Loop — Apple Watch - Nothing but Bands
  • Image of Sera — Magnetic Loop — Apple Watch - Nothing but Bands

Sera — Magnetic Silicone Sport Strap — Apple Watch

4.7
Rated 4.7 out of 5 stars
9 Reviews
£30.00
Bring a splash of vibrant style and everyday comfort to your Apple Watch with the Sera Magnetic Loop. Available in eye-catching neon lime, classic ivory, and bold green, this breathable Milanese-style mesh strap is the ultimate blend of sleek design and modern comfort. Featuring an easy, infinitely adjustable magnetic clasp, it ensures a secure, effortless fit for any occasion.
Color | Ivory
Watch Case Size
Quantity
10 items available
Icon Velvet Silicone touch
Icon - Magnetic Lock System
Icon - Engineered Dura-Flex
Icon - 30 Day Guarantee

Size & Compatibility

Finding Your Size

Apple Watch reading the size

No guessing, no charts — just read the case size in millimeters on the back.

Step 1 — Confirm the mm size

Gently wipe the case back and look for mm. Examples: 41mm, 45mm, 49mm.

Step 2 — Pick your size

Small • 38/40/41 mm
Large • 42/44/45/49 mm

Pick the matching variant on the product page for a perfect click-in fit.

Tip: In a pinch, the Watch app → About → Model also confirms your case size.

Strap Compatibility

Apple’s strap system is designed to be stable across generations. That’s why an older 38mm strap still fits a new 41mm case, and why a 44mm strap locks perfectly into a 45mm or 49mm Ultra. Know your size family once; buy with confidence forever.

Works with:

Small Family (38/40/41 mm)
→ Series 1–9 (small), SE

Large Family (42/44/45/49 mm)
→ Series 1–9 (large), SE (large), Ultra & Ultra 2 (49mm)

Your watch’s name may change when you upgrade — the connector family doesn’t.

Product specification

  • Compatible with: Apple Watch
  • Color: Neon Lime, Ivory, and Green
  • Material: Silicone
  • Closure: Magnetic Slide
  • Fit: Adults
  • Style: Modern, Everyday, and Sporty
  • Pattern: Textured
  • Strap style: Sport Loop
  • Lifestyle: Casual, Sport, and Travel

Description

An Apple Watch strap that pinches, slips or needs constant readjusting turns a small daily habit into a daily irritation. Between workouts, commutes and back-to-back meetings, a strap that never quite sits right is the last thing you want on your wrist.

The Sera silicone strap for Apple Watch answers that with soft matte silicone and a magnetic link closure. Available in Neon Lime, Ivory and Green, it adjusts in seconds — no buckles, no loops, no fixed holes to settle for.

  • Dense, high-grade silicone with a smooth matte finish that resists wear, cracking and fading, and never feels sticky against the skin.
  • A reinforced neodymium magnetic link system holds its position firmly while the segmented links micro-adjust to the exact shape of your wrist.
  • Precision-engineered lugs align cleanly with your Apple Watch for a stable, wobble-free fit, and the sweat-resistant silicone takes everyday wear, walks and casual training in stride.

Two sizes cover the whole Apple Watch range: pick 38 · 40 · 41 · 42 mm or 44 · 45 · 46 · 49 mm (Ultra) to match the case size engraved on the back of your watch. It fits every model from Series 3 through Series 10, plus SE and Apple Watch Ultra.

Give your Apple Watch a strap that adjusts in a second and stays put all day. Order the Sera silicone strap in Neon Lime, Ivory or Green and feel the difference from the first wear.

Trademark Notice

Apple Watch® is a trademark of Apple Inc. This product is not manufactured by or affiliated with Apple Inc.

Tried, Tested, Trusted

Swapped in, worn out—here’s the verdict.

Is this strap compatible with my Apple Watch?

Yes — it’s compatible with all Apple Watch models, including Series 3 → Series 10, SE, and Apple Watch Ultra (49 mm).

Just choose the strap size that matches your watch’s case size (engraved on the back):

  • Size 1: 38 / 40 / 41 mm
  • Size 2: 42 / 44 / 45 / 46 / 49 mm (includes Ultra)
Will the magnetic link system stay secure?

Yes — the strap uses a reinforced neodymium magnetic link system designed for reliable, everyday wear. The segmented links hold their position firmly while still micro-adjusting smoothly to the shape of your wrist for a comfortable, precise fit throughout the day.

Is the strap comfortable for all-day wear?

Yes — the strap uses soft-touch, flexible silicone that sits comfortably on the skin without sticking or dragging. It’s lightweight and shaped to follow the natural curve of your wrist, so it stays comfortable from morning to night.

Can I wear it for workouts, showers, and daily movement?

Yes—this strap is comfortable and sweat-resistant, making it great for everyday use, walks, casual workouts, and general activity. The magnetic link design keeps the fit secure and easy to adjust throughout the day.

For high-intensity training or exercises that put pressure on the wrist (like weightlifting, CrossFit, boxing, or rowing), we recommend switching to a sport-style strap for maximum stability and comfort.

How long does shipping take, and will I receive tracking?

We ship your order within 24 hours, and every package includes door-to-door tracking.

Delivery time is usually 5–12 business days, depending on your location and local carrier speed. Most customers receive their order sooner. You’ll automatically receive a tracking link by email as soon as your order ships.

What if I don’t like it or it doesn’t fit right?

You have 30 days to try it at home.

If the fit, color, or style isn’t right, we’ll help you exchange it quickly — no hassle. And if you’d still prefer a return, no problem — just send it back in its original condition and we’ll refund you.