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Interested in reviews of Samsung Galaxy Watch9 40mm Graphite? It got 4.8 out of 5 stars from our customers. Find specific customer reviews of Samsung Galaxy Watch9 40mm Graphite below. We will appreciate if you also share your experiences with Samsung Galaxy Watch9 40mm Graphite after purchasing.
I'm absolutely thrilled with the new Samsung Galaxy Watch 9 (40mm). I'm upgrading from the original Samsung Galaxy Watch, so the difference is truly enormous and almost indescribable. The only thing I slightly miss on the new watch is the physical rotating bezel, but you get used to controlling it without one very quickly.
The watch is really light, and I barely notice it on my wrist. I was initially worried that the 40mm version would be too small, but it's the perfect size for a woman's wrist and looks great. The display is perfectly readable even in direct sunlight, and the system's responses are fast and smooth.
I also took it to a workout today, and it worked perfectly. The battery handles a full day of heavy use (workout, lots of steps, notifications) with absolutely no problem. I also really appreciate the health features. I definitely don't regret the purchase and I'm very happy I decided on this particular model.
My first smartwatch and overall it's great. I was worried about the size, but it looks subtle on my wrist. The system runs smoothly and going for a run with music on my Galaxy Buds without my phone is super. What is disappointing, though, is the range of apps – we normally open the doors to our house and flat with our phones, but the lock manufacturers don't have an equivalent for the watch.
System fluidity
Application
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Nikola, brandýs nad Labem
Rated 06/08/2026, variant Samsung Galaxy Watch9 40mm Black
Verified purchase
The switch from the Galaxy Watch 46mm (gen1) to this is a really significant one. I'll overlook the battery life, which isn't the best (my old ones lasted 4 days), but on the other hand, I'm happy with the new OS thanks to the wider app support. My main reason, however, was the health and monitoring features, which are beyond comparison, and the amount of information you suddenly have available is brilliant. The new feature for analysing them looks very good.
I upgraded from a GW4 to a GW9 (40mm BT) and it's a really huge difference. With the older GW4 model, the battery barely lasted a day, which was very restrictive during normal use. Here, the battery life on a single charge is incomparably better and the generational leap is enormous. The watch is also smoother overall. So I'm very happy with the upgrade.
battery life
responsiveness
Poorer selection of quality apps compared to Apple watches
Battery life has improved, but it's still 1 day at most.
Missing rotating bezel
Design - this is subjective, but a round display in a square case just looks strange.
The display glass isn't protected in any way. It protrudes from the watch body, so I'm worried it will be prone to damage.
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Oldřich, Hrušky
Rated 03/08/2026, variant Samsung Galaxy Watch9 40mm Black
Verified purchase
I'm thrilled with the Samsung Galaxy Watch 9 in black. It's fast, has a premium build quality and very good battery life. I also appreciate the significantly more advanced Gemini assistant, which responds quickly and makes the watch feel much smarter. The strap is super durable for exercise (black is more elegant than white). Samsung Health and the huge selection of different exercises are also great. Simply I❤️Galaxy
I picked up my Samsung Galaxy Watch9 and my first impressions are very positive so far. The watch looks high-quality, it's lightweight and comfortable on the wrist. The display is beautifully bright and the controls are quick and intuitive. Setting it up with my phone was hassle-free and everything works as it should. I'm looking forward to trying out all the sports and health features, but I already have a very good feeling about the watch and I believe it will be a great companion for everyday use.
More sporty than elegant, they used to be more versatile.
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Customer, Brno
Rated 03/08/2026, variant Samsung Galaxy Watch9 40mm Black
Verified purchase
The watch may only offer about one day of battery life, but otherwise, it has everything I need from a smartwatch. It monitors health data, measures sleep, and accurately auto-detects different types of exercise. Pairing with my Galaxy S25 Ultra was quick and trouble-free. I was also pleasantly surprised by the sleep tracking. I fell asleep for about 40 minutes after lunch, and the watch recognised I was sleeping on its own, even though it was just a short nap. So far, I'm very satisfied with them.
They do everything I wanted for monitoring health, exercise and even sleep.
The battery lasts about one day, but that's a minor detail.