Apple Watch Ultra
Turn use of lock code on or off
You can set a lock code to prevent others from accessing the contents of your Apple Watch when it's not connected to your phone.
Press the Digital Crown.
Press the settings icon.
Press Passcode.
Press Turn Passcode On and key in a lock code of your own choice twice.
Press Turn Passcode Off and key in the current lock code.
Press the Digital Crown several times to return to standby mode.
1. 1. Find "Passcode"
2. 2. Create lock code
3. 3. Turn off use of lock code
4. 4. Return to the home screen