You can use your Apple Watch for navigation helping you find a certain destination.
Press the Digital Crown.
Press the Maps icon.
Press Dictation to turn on voice control.
Say "[the required destination]".
Press the required destination.
Press the required mode of transportation.
Press the required route.
Follow the instructions on the screen to go to the required destination.
Hard press the screen.
Press the Digital Crown twice to return to the home screen.