The best replacement for watch is warning.

The best alternatives to watch are rated as following:
★★★★★  warning
★★  see
★★  advisory
★  tornado warning
★  warning tornado
★  watch
★  keep
★  advisory which is worse
★  clock
★  warning snow
★  storm warning
★  be watched
★  download movies for free
  warning difference
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  read game of thrones
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  star github
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  look
  winter storm warning
  quartz
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  timepiece
  flood warning
  bracelet
  invisible fence
  chronograph

Your alternative for watch is not listed? Suggest!
Speaking about watch, one probably shouldn't forget about compass.

Other search terms related to watch and their ratings are:
★★★★★ compass
★★★ heart rate monitor
★★★ altimeter
★★ pedometer
★★ battery
You have in mind a companion for watch and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of watch in all years. Click on graph for more.
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warning
see