Apple Watch Ultra 4
tech234a
89 points
136 comments
September 09, 2026
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Discussion Highlights (20 comments)
mikestew
The only thing keeping on a Garmin is that my OG AW Ultra probably won't last a mountain 50 miler (I've used it for easier 50 mile races). If it truly lasts anywhere near 45 hours, even my old, slow ass could knock out 100 miles in that time. Plus satellite comms on the AW (which I'd have to spend money to upgrade the 965 to get that feature). I just might pick one up next week.
ktallett
Two days is so poor for a ultra watch. The fact it won't last a full weekend let alone any significant hike just means it doesn't fit the market it is aiming at.
smeeth
Dear Apple, I want to send you my money, but your expensive watch I want to buy is f**ing massive and my wrist is normally sized. I don't really understand why this is still an issue since it's been 4 years. Thanks, - Guy with slightly below average wrist circumference (40th %ile)
atomflunder3000
The first thing they mention is the "great" battery life and it is still only just over 2 days, great.
brandonb
The 4th generation heart rate sensor is quite interesting -- Apple Watch used to sample every ~5 minutes, and now it's every 5 seconds (basically continuous). I think that'll enable a lot of interesting health & wellness use cases.
ryanschaefer
Had this thought during the presentation. How is the “rewind” feature legal? Don’t a lot of states have laws against making secret recordings?
Dlemlo
$800 for a watch. Man we lost it as a society. Others are not able to eat, die because of insulin prices, struggle every day and we sit here on HN and people are thinking about buying the next gadget. A watch for $800...
nradov
Interesting but the short battery life and 40m (130ft) scuba diving depth limit still make it useless for me.
bilsbie
When are they going to detect blood sugar?
pilif
The Ultra 2 was sold to me as the watch that can do Siri without network connectivity. That was very useful to me to leave reminders for stuff I think about while on a run without the phone. 3 years later, Apple releases the OS 27 versions and Siri got improved to the point where it can’t work on-device any more on said Ultra 2 So to get the feature back which I paid for and which was specifically used to sell me the device and which now has been taken away from me, I just have to… buy the next hardware generation? And how long will that last before they decide to remove the feature again? Thankfully, the Ultra 4 provides some other compelling features making this less painful, but I would have expected at least a toggle to keep old Siri on the old watch. New Siri over the network is impossibly slow and buggy (I made the mistake of installing the betas, so there’s no way back now)
silksowed
As someone who often backpacks off grid, the features listed are pretty interesting. Anyone have any alternative products this competes with? The "adventure" watch is a new thing for me
danek_szy
[Dupe] https://news.ycombinator.com/item?id=49631121 - this one seems to have more lively discussion
neon_me
Having Garmin Enduro with 3+ weeks of battery life seems funny to watch apples ultra ads ...
thomasahle
It's surprising that in 2026 they still haven't figured out how to remove the bezels. They are smaller than they used to be, but On something as compact a watch, all screen estate counts.
mwidell
So apparently Siri AI is not coming to my part of the world anytime soon because of EU law. With that, I see no reason at all to upgrade from my Ultra 1, as not much else has improved in any meaningful way in 3 years. Don't get me wrong, I love my Ultra 1. But I had hoped for more innovation in three generations of it.
cute_boi
> For everyday use, Apple Watch Ultra 4 now offers more than two days of battery life, up to 50 hours. This is the reason i don't like these smart watches... I always forget to charge the watch.....
vablings
The battery life being so short is just pathetic. My Garmin can last up to two whole weeks in a similar form factor and its pretty much the only differentiation
VCFundedGenYer
"A batter you can't outrun" actually the gen 1 Pebble from literally 2013 still runs circles around this thing.
verytrivial
Huh, this "Readiness" innovation seems really similar to the "HybridCharge" my Amazfit watch has had for a couple of years (but obviously at literally 10x the price, but you do whatever you want with your money, chaps...)
rudimentary_phy
I bought an Ultra 3 and was quite disappointed with it. The heart rate monitor frequency is really low. I'm glad to see they have at least fixed that. I dual-wield right now with a Fitbit Air to supplement the data.