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Superman Signal Watch
Signalwatch2-300x168

User

Jimmy Olsen

creator

Superman

Timeframe

21st century

First Appearance

Battle of the Super-Heroes!

HistoryEdit

The Superman Signal Watch is a method of rapid communication between Jimmy Olsen and Superman, since Olsen seems to have a knack for being in the center of action. Initially, Olsen took apart several radios and created a device that could generate a high frequency ultrasonic signal that Superman could pick up with his enhanced senses. Superman was impressed and advised him to miniaturize the device. Olsen created a special wristwatch and wore it at all times. It is mostly used to alert Superman when his life is in danger. Lex Luthor once tricked Olsen into wearing a special signal watch containing Red Kryptonite. It was since confiscated by Batman.

AppearancesEdit

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