Mark the hours and the half hours with the eight bell sounds traditionally used on sailing ships. Its a novel gift for the sailor or someone interested in nautical history.
I find it is more than just a curiosity. Its actually useful. It keeps me from losing track of the time on a busy day. Because I have ADHD, I find it especially useful. I feel it helps me pace my day and accomplish more. Its kind of neat too.
Ships Time continues to run while you run other apps and even when your device is in sleep mode. There are options to help you customize it to your needs. Check out the screen shot.