A watch worn on a band that fastens about the wrist.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "wristwatch" in a sentence
"This works because while 'wristwatch' is a common enough word, the way Emma Thompson says it makes it more than what it really is."
"The Suunto G6 wristwatch is designed for golfers as it claims to improve your swing consistency and simplify the scorekeeping process."
"TokyoFlash's latest wildly impractical, handsome Japanese wristwatch is the EleeNo WebTime Elite."