Question

She is wearing a watch under her wrist.​

Answer 1

She is wearing a watch on her wrist.​

Explanation:

• When we talk about things there are certain prepositions associated with them depending upon the action to be performed.

• It is necessary to use an appropriate preposition with a certain thing.

• In the given sentence, under is not an appropriate preposition to be used with the watch. Since, the action is to "wear".

• The correct sentence would be "She is wearing a watch on her wrist.​"