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Radley Series 21 Blue Silicone Strap Smart Watch 318/4026

Rating 3.772727272727273 out of 5
Read reviews (66)
Radley Series 21 Blue Silicone Strap Smart Watch
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  • £49.99

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About this product

The Radley Series 21 smartwatch is perfect for those who lead an active lifestyle. It comes with a range of features, perfect watch for all daily activities, including great wellness features such as sleep analysis, hydration reminders and breathing exercises. The Series 21 is your perfect training partner, with the heart rate monitor, 14 different sports tracking modes and music control. You can track your fitness progression through the Radley App. Set your goals and smash them!

With the ability to change dials and have your own photos as a background, you to customize your watch and make it your own. This watch is designed with a Rose Gold lozenge shaped case and Ink Silicone Strap.

Sleep analysis, hydration reminders and breathing exercises. Heart rate monitor, fourteen different sports tracking modes and music control.

GPS Connection.

IP68 Water resistance.


  • Compatible with Android 6.0 & above iOS 12 & above.
  • Bluetooth 5 connection.
  • USB 5 connection.

Display information

  • 43mm LCD screen.
  • Touchscreen.


  • 160mAh battery capacity.
  • Typical usage time of up to 5 days.
  • Low usage time of up to 12 days.
  • 2 hour charge.

Physical specification

  • Size: one size.
  • Watch size H255, W25, D11mm.
  • Strap size L255, W16, T1mm.
  • Strap can be removed and replaced.
  • Weight 37g.


  • Water resistant.
  • Answer calls.
  • Read texts.
  • Receive social network notifications.
  • Displays weather.
  • Music player.
  • Heart rate monitor.
  • Distance.
  • GPS.
  • Calories.
  • Sleep.
  • Accessories included: Contains Watch and USB Charger, including charger.
  • Manufacturer's 2 year guarantee.
  • EAN: 5018479132004.

The small print

Please note that this product is excluded from our 30 Day Money Back Guarantee. This does not affect your statutory rights.

*Prices correct as displayed but are subject to change.

The customer and brand answers you’ll see above are submitted independently. As we don’t review these answers, we can’t take responsibility for anything they may say. The responses from Argos colleagues are accurate at the time of publishing. For the latest info, you should check the product page.