With Just a Minute 4.0, the newly designed mobile app has a new way to re-send the current color scheme, fonts, and most other settings to the watch. Once you have your watch successfully connected via Bluetooth, you can tap the watch icon to the left of the preview area in the mobile app to initiate re-sending of the current settings in the mobile app. See the screenshots below.
Step 1. Tap the watch icon in the preview area
Step 2. Observe the brief animation indicating settings are being sent to your watch