LG Watch Urbane 2nd EDITION I LTE Quick Start Manual page 96

Notes on water resistant properties
This product is water and dust resistant in compliance with the Ingress
Protection rating IP67*.
* The IP67 rating means that the product will maintain its operability
even if it is gently submerged in a tank of still tap water at room
temperature for about 30minutes, up to a depth of 1 meter.
Avoid exposing the product to environments with excessive dusts or
moisture. Do not use the product in the following environments.
Do not immerse the product in any liquid chemicals (soap, etc.)
SOAP
other than water.
SALT
Do not immerse the product in salt water, such as sea water.
Do not immerse the product in hot spring.
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