AppleWatch Ultra 2 is rated IP6X dust resistant. Tested with heart rate sensor on during workout sessions. Outdoor workout with GPS and LTE in Low Power Mode with Its the best Apple smartwatch for most people and offers many of the premium health and fitness tracking features found on the Ultra 2. On the budget end, we recommend the Apple Watch SE (2nd Gen AppleWatch Ultra 2 has a water resistance rating of 100 meters under ISO standard 22810 and may be used for high‑speed water sports and recreational scuba diving (with compatible third‑party app from the App Store) to 40 meters. Should not be used for diving below 40 meters. Water resistance is not a permanent condition and can diminish AppleWatch Ultra has a water resistance rating of 100 meters under ISO standard 22810. It may be used for recreational scuba diving (with compatible third-party app from the App Store) to 40 meters and high-speed water sports. The international emergency calling feature requires an Apple Watch Ultra (Cellular), Apple Watch TheApple Watch Ultra 2 also features a new second-generation Ultra Wideband chip for more precise location services. Thanks to the latter, you can now see the distance and direction to your AppleReleases watchOS 10.1 For Apple Watch Series 9 And Watch Ultra 2. Apple Watch Ultra 2 and the Apple Watch Series 9 are getting the watchOS 10.1 upgrade, adding quite a lot of new features to the smartwatches. Apple revealed these devices in September 2023 with watchOS 10 an TheApple Watch Series 9 got a sensor makeover for this generation, and the same is true of the Ultra 2. The new S9 SoC in charge of the watch’s functions is based on the A15 found in the iPhone 13 and 14, and is supplemented by a new U2 ultra-wideband chip – the same model found in the iPhone 15. AppleWatch Series 8 and Apple Watch Ultra have 2 temperature sensors—one on the back crystal, near your skin, and another just under the display. While you sleep, Apple Watch samples your temperature every five seconds. The temperature sensing feature is not a thermometer and cannot provide wrist temperature pV0R5.