腕時計

1. Origins, structure, and basic meaning

• Structure: 腕時計 means a 時計 worn on the arm: a wristwatch.
• Basic usage: It is used when checking the time or continuing to use a watch received as a gift after repairing it.

2. Common pitfalls and similar expressions

• Reading of 時計 in the compound
  • 時計 is とけい on its own. In 腕時計, it becomes どけい, making the complete reading うでどけい.