If you're returning to the gym or to a more regular fitness routine, it could be time to upgrade your smartwatch. Handily, Fitbit has exactly what you need, but you’ll need to hurry up — Amazon has a great deal going right now with Fitbit Sense smartwatches discounted by £40. However, it won’t last for long. If you order soon, Fitbit's Sense Advanced smartwatch is on sale at £259, which means you'll save over £40 from its original £299.99 price tag. This high-tech, high-quality smartwatch packs a bunch of new features that make it a great addition to your fitness arsenal. With over 8,000 reviews averaging at 4.4 / 5 stars, you’re not going to want to miss this deal.