Apple Now Offering Depth and Water Seal Tests for Apple Watch Ultra - MacRumors
Skip to Content

Apple Now Offering Depth and Water Seal Tests for Apple Watch Ultra

Apple today published a new support document letting Apple Watch Ultra users know that they can request a Depth and Water Seal Test by Apple to determine if their watch's depth gauge and seals are working properly.

depth gauge ultra watch
The document describes a couple of scenarios under which users might want to have their watches tested, including assurance of proper functionality of the depth gauge for those who rely on it such as for diving and to check for unseen damage in the case of impacts to the watch.

Apple Watch Ultra owners can request a Depth and Water Seal Test for their device via Apple's normal online support channels. Apple will perform a visual inspection of the watch to look for any visible damage, and if the device appears intact, Apple will then test the water seals and depth gauge.

Users are cautioned that unseen damage could compromise the watch and that the Depth and Seal Water Test could render the device inoperable in such situations, necessitating a replacement fee unless the issue is covered by warranty.

Apple doesn't specify whether there is a cost for this service, so you'll need to check with Apple if you wish to have the tests performed on your watch. Once your watch has been sent to Apple, it should be returned to you within seven to ten business days.

Related Roundup: Apple Watch Ultra 4
Related Forum: Apple Watch

Popular Stories

apple watch s12 ultra 4

Apple Watch Series 12, Ultra 4 Owners Report Skin Irritation

Wednesday October 7, 2026 12:02 pm PDT by
Some Apple Watch Series 12 and Ultra 4 owners have experienced unexpected skin irritation with the new models, according to reports on the MacRumors forums and Reddit. Affected users complain of a burning sensation and redness under the sensor area. The Apple Watch Series 12 and Ultra 4 measure heart rate every five seconds, and some people have wondered if that's the cause of the skin...
lululook apple watch titanium

MacRumors Giveaway: Win an Apple Watch Ultra 4 From Lululook

Friday September 25, 2026 10:56 am PDT by
For this week's giveaway, we've teamed up with Lululook to offer MacRumors readers a chance to win a new Apple Watch Ultra 4. Lululook makes all kinds of accessories for Apple devices, including the Apple Watch. The company has a selection of Apple Watch bands that work well with the new Series 12 and the Ultra 4 models. Lululook's $129.99 Strata Milanese Band matches the Apple Watch Ultra...
ifixit apple watch series 12 teardown

Apple Watch Series 12 and Ultra 4 Score 4/10 for Repairability

Wednesday October 7, 2026 2:44 pm PDT by
Repair site iFixit this week continued taking apart the latest Apple devices, this time tearing down the Apple Watch Series 12 and the Apple Watch Ultra 4. The Apple Watch Ultra 4 has no repairability changes. There are copious amounts of glue between the casing and the display for waterproofing, and getting to the battery has to be done through the screen. It's easy to slice through the...

Top Rated Comments

anthogag Avatar
48 months ago

This seems like somebody in Apple legal realized that the risk of an Apple Watch Ultra failing as a dive computer and resulting in the death of a diver would be a huge liability and as preemptive CYA, Apple could get out ahead of it by offering free quality/safety inspections like this. Very few people will take them up on it because of the hassle, but Apple will have a stronger defense in the event a diver drowns because their Watch seal failed
Dive equipment is checked all the time. Tanks are re-certified periodically. Everything is inspected before a dive. Regulators are serviced periodically. There are backups.

Apple worked with divers when designing the Ultra. Divers surely said equipment is always checked and tested and a leak and pressure test for the Ultra was likely planned before the Watch launched.

Apple stated Ultra's dive app is for dives down to 50'. There are no time limits or decompression stops for dives within 50 feet from sea level; especially if it's just the one dive.
Score: 19 Votes (Like | Disagree)
visualseed Avatar
48 months ago
I'm reminded of the old Timex commercial where they put the watch on the propeller of an outboard boat motor in a water tank and it disappeared.

Score: 13 Votes (Like | Disagree)
48 months ago
This seems like somebody in Apple legal realized that the risk of an Apple Watch Ultra failing as a dive computer and resulting in the death of a diver would be a huge liability and as preemptive CYA, Apple could get out ahead of it by offering free quality/safety inspections like this. Very few people will take them up on it because of the hassle, but Apple will have a stronger defense in the event a diver drowns because their Watch seal failed
Score: 11 Votes (Like | Disagree)
48 months ago

Dive equipment is checked all the time. Tanks are re-certified periodically. Everything is inspected before a dive. Regulators are serviced periodically. There are backups.

Apple worked with divers when designing the Ultra. Divers surely said equipment is always checked and tested and a leak and pressure test for the Ultra was likely planned before the Watch launched.

Apple stated Ultra's dive app is for dives down to 50'. There are no time limits or decompression stops for dives within 50 feet from sea level; especially if it's just the one dive.
Nice having some context and facts to counter the reflexive and expected (paraphrased) "it's just another money grab by greedy Apple."

Thank you.
Score: 8 Votes (Like | Disagree)
48 months ago

Not sure I really understand why you'd want this in place at pre-order time - this service is intended for an AWU that has undergone some type of incident that may have compromised its waterproof integrity, such as physical damage, over-pressure or significant ageing, it's not meant to be a QC check on brand new watches.

In terms of diving watches, periodic pressure-testing is pretty much par for the course. Until recently, most dive watches used replaceable non-rechargeable batteries, and you'd always get the unit pressure tested when getting the batteries changed.

What I'm not clear on though is whether the pressure-test is non-destructive. Is it a matter that the results of the test would either be 'yes, your watch is still working, so it's still waterproof', or 'your watch now is dead and full of water, so the seals were compromised' - or do they have a way of telling before damage to the watch occurs? If not, unless you're actually planning to expose the watch to high pressures (e.g. scuba diving) or have good reason to believe the seals will be damaged, then you might not want to take the risk of testing it. Plus, depending on how they offer this service in terms of price and warrantees, if might be quicker/cheaper to get it done at a specialist dive shop that offers pressure testing.
I registered an account just to respond to your last point.

I work in a service centre for both Apple and Samsung processing warranty repairs and I thought I might have some helpful insight on this.

Both manufacturers use specialised jigs that inject air/pressure and measure the output from the device that registers either a pass or fail result based on the readings over a period of time. Changes that are too quick result in a fail (leakage) and changes below a certain threshold register as a pass.

No actual water is involved for these tests as air leakage information is sufficient. A test fail would not ruin the device and it’s just a matter of reworking the seal and retesting until a pass is achieved. This test is more accurate on devices with a built in barometer, however devices such as Samsung A-series without a barometer go through a slightly different test where the barometer is in the jig and connected via Bluetooth, however the concept remains the same.

Our service centre has offered the seal check service for Samsung devices for about 2 years now and yet I had to find out about Apple doing it via this article lol
Score: 7 Votes (Like | Disagree)
TheYayAreaLiving 🎗️ Avatar
48 months ago
Wow! This is some serious type of service. I wish it was offered when I pre-ordered my ⌚️ Apple Watch Ultra tho.
Score: 7 Votes (Like | Disagree)
Latest Stories
iPhone Duo Launch Begins as First Orders Reach Customers
iPhone Duo Launch Begins as First Orders Reach Customers
4 hours ago
1Password for Agents Keeps Your Passwords Hidden From AI
1Password for Agents Keeps Your Passwords Hidden From AI
5 hours ago
iPhone Duo 24 Hours Later: Your Questions Answered
iPhone Duo 24 Hours Later: Your Questions Answered
6 hours ago
Apple's iWork Apps Get 'Intelligent Assistant' and iPhone Duo Support
Apple's iWork Apps Get 'Intelligent Assistant' and iPhone Duo Support
7 hours ago
Apple is Apparently Considering a Slightly Larger iPhone Duo
Apple is Apparently Considering a Slightly Larger iPhone Duo
7 hours ago
Giant iPhone Duo Displays Coming to Four Apple Stores
Giant iPhone Duo Displays Coming to Four Apple Stores
8 hours ago
Apple Pulls Keynote, Pages and Numbers From App Store [Update: Back]
Apple Pulls Keynote, Pages and Numbers From App Store [Update: Back]
9 hours ago
Apple Updates More Apps With iPhone Duo Support
Apple Updates More Apps With iPhone Duo Support
9 hours ago
Apple Will Label Apps 'Made for iPhone Duo' in App Store
Apple Will Label Apps 'Made for iPhone Duo' in App Store
12 hours ago
Amazon Takes $49 Off iPad With Prices Starting at $399.99
Amazon Takes $49 Off iPad With Prices Starting at $399.99
13 hours ago
F1 on Apple TV Now Available in Dolby Atmos
F1 on Apple TV Now Available in Dolby Atmos
13 hours ago
Apple Reveals More Than 50 Apps That Will Be Updated for iPhone Duo
Apple Reveals More Than 50 Apps That Will Be Updated for iPhone Duo
14 hours ago
Apple Blocks Certificates That Could Help Attackers Fake Websites
Apple Blocks Certificates That Could Help Attackers Fake Websites
15 hours ago
Giant iPhone Duo Installations Spotted at Apple Fifth Avenue
Giant iPhone Duo Installations Spotted at Apple Fifth Avenue
16 hours ago
iPhone Duo 2 Prototypes Include Under-Display Face ID
iPhone Duo 2 Prototypes Include Under-Display Face ID
16 hours ago
Tesla App Gains iPad and iPhone Duo Support
Tesla App Gains iPad and iPhone Duo Support
20 hours ago
Apple Reportedly Boosts iPhone Duo Orders by 44%
Apple Reportedly Boosts iPhone Duo Orders by 44%
20 hours ago
Fortnite Returning to Australian App Store After Court Ruling
Fortnite Returning to Australian App Store After Court Ruling
21 hours ago
Apple Ordered to Open iPhone to Rival App Stores in Australia
Apple Ordered to Open iPhone to Rival App Stores in Australia
21 hours ago
Apple Suppliers Face Hurdles Cutting Circuit Board Emissions
Apple Suppliers Face Hurdles Cutting Circuit Board Emissions
21 hours ago
Things Updated for iPhone Duo With Adaptive Layout
Things Updated for iPhone Duo With Adaptive Layout
22 hours ago
Simplicity and Siri AI Are HomeView's Killer Features, Apple Says
Simplicity and Siri AI Are HomeView's Killer Features, Apple Says
22 hours ago
iPhone Duo Reviewers Really Miss Face ID
iPhone Duo Reviewers Really Miss Face ID
1 day ago
Does the iPhone Duo Run Hot? Here's What Reviews Found
Does the iPhone Duo Run Hot? Here's What Reviews Found
1 day ago
Apple Music's New Look is Now Live on Apple's Website
Apple Music's New Look is Now Live on Apple's Website
1 day ago
Anthropic Launches Claude Duet, a Proactive AI Agent
Anthropic Launches Claude Duet, a Proactive AI Agent
1 day ago
What 32,000 Folds Did to the iPhone Duo's Hinge
What 32,000 Folds Did to the iPhone Duo's Hinge
1 day ago
iPhone Duo's Hidden FaceTime Camera Takes 'Trash' Photos
iPhone Duo's Hidden FaceTime Camera Takes 'Trash' Photos
1 day ago
iPhone Duo Has 'Edge Light' Feature That Debuted on Macs Last Year
iPhone Duo Has 'Edge Light' Feature That Debuted on Macs Last Year
1 day ago
Apple Support App Updated for iPhone Duo's Larger Display
Apple Support App Updated for iPhone Duo's Larger Display
1 day ago