The Samsung Galaxy Watch 8 is one of my favorite watches of last year. It's slim, it's a high-performer and I think it looks better than its chunky siblings, the Samsung Galaxy Watch 8 Classic and the Samsung Galaxy Watch Ultra. All are on offer on Amazon Prime Day, but for most people, the Samsung Galaxy Watch 8 is my pick of the bunch — especially after this second price drop. • Browse the full Amazon Prime Day saleThis deal isn't just at Amazon — it's also at Walmart, so you've got plenty of options if you want to grab the deal before time runs out at midnight tonight. The Samsung Galaxy Watch 8 (40mm) GPS-only is available for just $218.49 (was $349.99) at Walmart, a huge $131.51 saving. The listing says it's a $331 saving, which is a typo — Walmart seems to have borked some of its old prices for these entries — but a 38% discount is still a terrific deal and its lowest price ever. The 44mm GPS-only version is available for $237.49 (was $429.99), with cellular versions for both at an additional cost. Check out the deals in full below. In case Walmart's sold out when you read this, we've also linked the Amazon deals: Today's best Samsung Galaxy Watch 8 dealsA 4.5-star smartwatch with super-accurate health and activity tracking, as well as AI features. This is a massive 38% saving on the 40mm Bluetooth-only version which can't be added to your phone's data plan for phone-free internet access, but the LTE version starts at $265.99 (was $399.99).Also available at Amazon (requires a Prime membership)View DealAn even bigger discount on the larger 44mm version, saving you a total of 38%. We've seen all three Samsung smartwatches on sale this week, but this final price drop solidifies the standard Watch 8 as the best from a value (and design, in my opinion) perspective. Cellular is also available for $294.99 (was $429.99)Also available at Amazon (requires a Prime membership)View DealWhy get the Samsung Galaxy Watch 8 instead of the Classic or Ultra?Good question, and I'll go into it. For starters, they're more expensive, even though these watches also boast historic deals of their own. I've popped the best deals on those down below. In addition, the Samsung Galaxy Watch 8 is very nicely designed, with its flat and slim body sitting nicely on the wrist due to its redesigned strap clasp and slender frame. This makes it ideal for use as a fitness tracker, as it doesn't move much during vigorous exercise such as running. On the other hand, the Watch 8 Classic and Watch Ultra are thick and bulky, and I find them very conspicuous on the wrist, especially the massive Ultra. I awarded both these watches four stars in our Samsung Galaxy Watch 8 Classic and Samsung Galaxy Watch Ultra reviews — on the other hand, I awarded the Samsung Galaxy Watch 8 a 4.5 / 5 score. It's just a great, good value wearable, especially at this price. However, if you prefer operating your watch using the Classic's analog-style rotating bezel, or you want the increased battery life and powerful navigation features of the Ultra, there are some terrific deals on both watches. Save an impressive 30% on the Samsung Galaxy Watch8 Classic, which features a rotating bezel that lets you scroll through the watch's options intuitively and resembles the look of a classic watch. It comes in one size (large, 46mm) with either a black or a white leather strap. View DealSave almost $300 on the Samsung Galaxy Watch Ultra in Titanium Blue version only, in a shocking price drop. While it's not the best choice for everyone (non-adventurers may overpay on features they won't use, and it's large for small wrists), its AI smarts, useful Now Bar technology to serve you the widgets you need, and longevity (up to 100 hours!) means it's well-made for adventurers.View DealMore Prime Day deals in the US Amazon Devices: Fire Sticks & Echo from $18Amazon Haul: viral gadgets, tech & appliances from $1.99Apple: MacBooks, AirPods & AirTags from $29Beauty: 50% off toothbrushes & hair toolsCheap TVs: smart TVs from $69.99Garden: tools, mowers, planters from $24.99Headphones: 50% off Beats, Bose & SamsungLaptops: Apple, HP & Dell from $199Mattresses: Sealy, Serta & more from $186Patio: outdoor furniture, rugs & decor from $19.99Sports: 50% off fitness gear, treadmills & clothingVacuums: Dyson, Shark & Bissell from $34