The Apple Watch Ultra 2 is genuinely one of the best pieces of wearable hardware Apple has ever made. The titanium case is machined to a standard that feels almost unreasonable for something you wear in the shower. The display gets bright enough to read in direct alpine sunlight. Battery life, relative to other Apple Watches, is legitimately extended. None of that is in dispute.
The problem is the customer.
The Ultra was designed for a specific person: the triathlete who also happens to be deep inside the Apple ecosystem, who needs dive-depth water resistance, precision GPS, and doesn’t want to charge nightly. That person exists. They bought one. Many of them bought the first Ultra and have had very little reason to upgrade since, because the hardware already solved their problem.

For everyone else - the person who bought an Ultra because it looked serious and they liked the Action Button - the watch is increasingly oversized for their actual life. Wearing a 49mm titanium puck to check Slack notifications and track a 30-minute walk is a strange choice, and people are starting to notice. Anecdotally, there’s a clear pattern in secondhand markets: Ultra units turning up at significant discounts as owners migrate back to the standard Series or, in a growing number of cases, to the Oura Ring and nothing else on their wrist.
Apple’s response has been iterative rather than expansive. The Ultra 2 added a slightly brighter display and a new black colorway compared to the original Ultra. That’s not nothing, but it doesn’t fundamentally change the pitch. The watch still costs significantly more than the Series line, still targets the same narrow athletic use case, and still runs watchOS - which, love it or hate it, is not optimized for people who want their wearable to disappear.
Garmin has eaten into the serious endurance athlete market for years with devices that are uglier, longer-lasting, and tuned specifically for people who care about VO2 max and training load more than Apple Pay at the finish line. That’s not a new observation. What’s newer is that the casual buyer who once aspirationally chose the Ultra is looking at the Series 10, noticing it does 90% of the same things at half the price, and asking a reasonable question.
The Ultra is still the better watch by most measurable standards. It just no longer has an obvious next customer waiting to buy it.