The owls hoot above you, and you wonder what time it is. You've been tossing and turning into bed but sleep seems to evade you. Check the time on your phone? Nah, it's being charged at the power socket across the room. If only, you could flash the time somewhere, anywhere.
How about a laser watch that flashes the time on your arm?
You wear it like a normal wrist band, press a button, and ta-dah! The time appears on your arm. It's still a conceptual design though. If you really like it, you might want to click your support here.