This beautiful light weight plastic replica, fully working fob watch has detailed engraving on the case and features speech, orange and red lights, sound effects, and a watch chain. It's an excellent addition to your ensemble and a fun way to show your respect for The Doctor! The fob watch is made of sturdy lightweight plastic and measures 3 1/2-inches tall x 2-inches wide x 3/4-inches long. Requires 4x "LR44" batteries, included. The watch says: "This watch is me - I dream - of what? - that I have two hearts - I'm not just a Time Lord, I'm the last of the Time Lords."