Its 5:00 EVERY hour with this clock! The blue and yellow flag pennants depicted at each hour is the number '5' in Maritime Signal Flags. Overall size of this beautiful glass clock is 12" x 12" and sits in a black iron stand. Display on any table top or easily remove it from the stand and hang directly on your wall with attached hanger. Clock mechanism works on a single double A battery, included. Other clocks are available as custom orders too. Have an idea? Turn your logo into a clock, even if it has nothing to do with signal flags! Use the contact us form or email firstname.lastname@example.org.