Yeeeeaaaaahhhhhh Booooooyyyy! This is how you get a crowd hype! Our Jumbo Clock Necklace features an oversized plastic gold clock on a long 28in faux gold metal chain. No old school costume is complete without this Jumbo Clock Necklace. The clock measures 10in in diameter and features a faux gold trim and unique grandfather clock-style face with Roman numerals.