Hello QirkyTrtle,
This page can help out with providing the available options for customizing the Lock Screen, including the clock's font in iOS 16: Personalize your iPhone Lock Screen
Edit a Lock Screen
After you create a custom Lock Screen, you can make changes to it.
1. Touch and hold the Lock Screen until the Customize button appears at the bottom of the screen.
2. Swipe to the Lock Screen you want to edit, then tap .
3. Do any of the following:
•Choose a wallpaper: Tap an option in one of the categories (for example, Featured, Suggested Photos, or Photo Shuffle) or tap a button at the top of the screen (Photos, People, Photo Shuffle, Emoji, or Weather). If you want to add a photo to your Lock Screen, see Customize your Lock Screen photo.
•Add widgets: Tap the box below the time, then tap the widgets you want to add.
Select a photo style for a Lock Screen with a photo: Swipe to change the color filter (for example, Vibrant, Tone, Deep, and Vapor), the background for the photo (Natural, Black & White, Duotone, Color Wash, and so on), and the font for the time.
•Add a multilayered effect for a Lock Screen with a photo: Tap at the bottom right, then choose Depth Effect (not available for all photos).
•Change the Focus: Tap Focus near the bottom of the wallpaper, then choose another Focus from the list.
•Change the style of the time: Tap Customize, tap the time, then select a font, color, and shade by tapping .
With regards to the location of notifications, this won't be able to be changed to the pre-iOS 16 location although there are a few different ways to have them displayed, which can be found here: Use notifications on your iPhone or iPad - Apple Support
Change how notifications appear
Requires an iPhone with iOS 16 or later
1. Go to Settings > Notifications.
2. Under Display As, choose how you want notifications to appear on the Lock Screen:
•Count: Shows the total number of notifications at the bottom of the screen. You can tap the count to see notifications.
•Stack: Shows notifications stacked at the bottom of the screen, with the most recent notification at the top.
•List: Shows notifications in a list.
You may also opt to leave feedback to Apple in regards to the changes, if desired: Product Feedback - Apple
Cheers.