Gear Sport: What is the Water lock mode?

You can enter Water Lock mode when you exercise in the water. On the status panel , tap If Water Lock mode is enabled, the touchscreen, the wake-up gesture feature, and watch always on feature will turn off and so you can splash around without tapping anything by mistake.

When you select Exercise > Swimming menu, the Water Lock mode will be activated automatically. Press and hold the Home key until the circle disappears to turn off the Water Lock mode.