Tap the complication or open Day One from the applications view.
One of our favorite new watch faces in watchOS 5 is the Infograph. When using Day One complications on this watch face, you can see your recent location. Tap the location or the blue + button to open Day One.
Scroll through your different journals using the Digital Crown. Tap the New Entry button to dictate entry, sketch, use emojis, or simply Check In from your current location.
Tap Recent Locations to see a list of your recent locations, any of which you can tap to dictate a new entry, scribble, or simply check in.
Tap the Microphone icon to record audio (up to 90 minutes). Tap the Stop icon to save the audio recording. Depending on the length of the audio, this may take some time to save. You will see a notification (and haptic feedback) when the entry is saved.