Japanese Word Images for the Word "Watch"
The left side Japanese word "警戒(けいかい-keikai)" means "Watch".
The below images are Japanese Kanji and Hiragana of some Japanese words which mean "Watch".
You can learn how to write these Japanese words by referring the Kanji stroke orders of these words.
And also we use the Japanese word "用心(ようじん-youjin)" for translating this word into Japanese.
(These two words "警戒" and "用心" are used as a same meaning of vigilance. And for the word "watch" which is used for a time ticking device such as wrist watch or pocket watch etc, we use the word "時計(とけい-tokei)".)