Crossword clues for the word: ONWATCH The word ONWATCH has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for ONWATCH Showing 1 to 5 of 5 results Clue(s) Doing sentry duty Remaining vigilant at a Timex factory? Standing sentry Tyler perhaps in Old Norse church keeping lookout Where hands may be seen doing lookout duty