Want to update the look of your Reflex Active Smart Watch? This easy-change strap will fit any of our 20mm width strap watches. Strap Colour - Buckle Colour - Why not choose a second HALF PRICE strap or charger? We've got a great range of options & we'll treat you to 50% off the cheapest item when you add any two accessories to your basket. 📦 Free UK Delivery.