Owner's guide

How to change strap on Radley smartwatch models easily

7 min read
A stylish silicone watch strap in soft pink positioned next to a rose gold watch case on a textured linen surface

Your Radley London smartwatch is more than just a fitness tracker; it is a versatile accessory designed to complement your personal wardrobe. While the original strap that came in the box is chosen for its durability and classic appeal, there may come a time when you want to refresh your look. Whether you are swapping a sporty silicone band for a sophisticated mesh bracelet or simply replacing a worn strap after months of daily use, the process is straightforward once you understand the mechanics of the pin system.

Radley smartwatches, manufactured under licence by the British distributor Peers Hardy, typically utilise a standard jewellery industry mechanism known as the quick-release pin. This design means you do not need a delicate set of screwdrivers or a trip to a local jeweller to make a change. By following a few gentle steps, you can transition your watch from a morning jog companion to an elegant evening piece in under a minute.

Identifying your strap size and type

Before you attempt to change the band, it is vital to ensure your new strap is the correct width for your specific Radley model. Most popular series, such as the Series 8, 20, or 33, use either a 20mm or 22mm lug width. The 'lug' refers to the two metal arms that stick out from the watch case to hold the strap in place. If you purchase a strap that is even a millimetre too wide, it will not fit between those arms; conversely, a strap that is too narrow will slide back and forth, putting unnecessary strain on the pins.

To find your size, you can measure the distance between the inside of the lugs with a metric ruler or check the underside of your current strap. Often, the width in millimetres is embossed directly onto the leather or silicone. Because Radley uses standard sizes, you are not limited to official replacements. You can use any high-quality third-party strap if it features the same width and a compatible pin system.

Close up of a watch lug with a quick-release lever visible
The small metal knob on the underside of the strap is the key to a quick change.

Step by step guide to removing the old strap

The secret to a successful strap change is patience and a soft surface. I always recommend laying a microfiber cloth or a clean towel on your table before starting. This prevents the watch sensor on the back of the case from getting scratched while you work on the lugs. Once you are set up, turn the watch over so you are looking at the back of the device.

  1. Place the watch face-down on a soft, non-abrasive surface.
  2. Locate the tiny silver knob (the quick-release lever) on the underside of the strap, near where it meets the watch body.
  3. Use your fingernail to slide the lever towards the centre of the strap, which retracts the attachment pin.
  4. While holding the lever back, gently pull the strap away from the watch case.
  5. Release the lever once the strap is free and repeat the process for the other side.

Attaching your new Radley strap

Now that the case is bare, it is time to fit your new band. It is a good habit to check which side is which before clicking them in. Usually, the strap piece with the buckle should be attached to the top lug (above the 12 o'clock position on the screen), while the long strap with the holes goes on the bottom lug (below the 6 o'clock position). This ensures the buckle sits comfortably on the outside of your wrist.

To attach the new strap, insert the pin on the opposite side of the lever into the small hole on the inside of the watch lug first. Then, pull the quick-release lever back to retract the other side of the pin. Line it up with the remaining hole and release the lever. You should feel or hear a subtle click as the pin expands into the socket. Give the strap a firm but gentle tug to make sure it is securely locked in place. Losing a watch because a pin wasn't seated correctly is a mishap we want to avoid.

A selection of different coloured watch straps organized neatly on a tray
Swapping straps allows you to match your watch to your jewellery or outfit.

Caring for your different strap materials

Once you have mastered how to change strap on Radley smartwatch units, you might find yourself building a small collection of bands. Each material requires slightly different care to keep it looking fresh. Silicone straps are wonderful for the gym and can be cleaned with a drop of mild dish soap and warm water. They are resistant to sweat but can become discoloured if they frequently rub against dark denim or new clothing dyes.

Leather straps, on the other hand, should never be submerged in water. If you are heading to a damp environment or a heavy workout session, that is the perfect time to use your new skills and swap the leather for silicone. For mesh or metal bracelets, a dry microfibre cloth is usually enough to buff away fingerprints and maintain that rose gold or silver shine that Radley is famous for.

Frequently asked

What size strap does a Radley Series 8 use?
The Radley Series 8 typically uses a 20mm strap width. Always verify by measuring the internal lug distance if you are buying a non-official replacement.
Can I use a Garmin or Apple strap on my Radley watch?
Apple Watch straps use a proprietary slide-in connector and are not compatible. However, many Garmin or fossil straps use standard 20mm quick-release pins, which will work perfectly if the width matches.
Why won't the pin click into the watch lug?
Dust or debris can sometimes settle in the small holes inside the lugs. Gently clean the area with a toothpick or a soft brush to ensure the pin can expand fully.
How often should I replace my Radley strap?
With daily use, silicone and leather bands usually last 6 to 12 months before showing signs of wear. Replace them sooner if you notice any cracking in the material to prevent the watch from falling off.

A fresh look for every occasion

Changing your strap is the quickest way to give your Radley smartwatch a second life. By keeping a few different styles on hand, you ensure that your technology never clashes with your outfit. Whether you prefer the classic leather look for the office or a vibrant silicone for your weekend walks, the quick-release system makes the transition entirely painless. Take your time, ensure those pins are seated deeply, and enjoy the renewed aesthetic of your favourite timepiece.