If water gets inside an might not know about, but should, considering it is designed to protect and extend the life of the device. Here's a quick overview of Water Lock on the Apple Watch and how it works.
Smartwatches have become increasingly resilient, and prove to be a vital companion for many s. When it comes to the Apple Watch, it works as a literal health journal that can potentially the cheaper Amazfit GTS, but the Apple Watch continues to prove popular, and partly thanks to its focus on health-related features. Ever since Series 2, the Apple Watch has also been able to boast about its water-resistant benefits as well.
To be clear, the Apple Watch is not water-proof, but it is water-resistant, although its ability to resist may diminish over time. According to Apple's washing hands, and while working out. Furthermore, s are advised to avoid with certain liquids, including soap, insect repellent, sunscreen, and so on. For more strenuous tasks involving water, such as swimming or taking a shower/bath, Water Lock can be a good way to eliminate trapped moisture.
How To Use Apple Watch's Water Lock
If you plan to expose the Apple Watch to water when cleaning dishes, taking a shower, or casually swimming, Water Lock should be manually turned on first. When turning off Water Lock, the smartwatch automatically drains itself of water, and this can also be done at times when the suspects something might be wrong. For example, when noticing a muffled sound from the speaker port as this could be a sign of water having penetrated the device.
To use Water Lock, unlock the screen and make sure it is wiped dry to avoid accidental taps from water droplets. Swipe up to access Control Center, and then tap on Water Lock (icon looks like a raindrop and turns teal once activated). The Lock icon should appear on the top of the screen. When finished using the watch in a wet environment, turn the Digital Crown (the wheel above the side button) to unlock the screen, and to clear water from the speaker. There will be a sound emitted from the watch as the water exits from the bottom.
For reference, starting a swimming workout should automatically turn on Water Lock, making the process slightly differently to manually activating the feature. For example, to pause the workout, you first need to press the Digital Crown and side button simultaneously. Then, turn the Digital Crown to unlock the screen and clear any water. Likewise, ending a workout will clear the water from the Apple Watch as well.
Source: Apple