Does Apple Watch automatically go into water mode?
Is it necessary to eject Apple Watch water?
https://www.youtube.com/watch?v=F6CYpzDmIOg
What happens if you don't put Apple Watch in water mode?
No - Apple Watch Series 2 remains equally water resistant regardless of whether or not Water Lock is turned on. Water Lock for Apple Watch Series 2 models prevents accidental screen interactions during exposure to water and also expels any water from the speaker afterwards.
Does Apple Watch automatically go into water mode?
When you start a swimming workout, your Apple Watch automatically locks the screen with Water Lock to avoid accidental taps. When you're done, turn the Digital Crown to unlock the screen and clear any water from your Apple Watch.