秒針

1. Origins, structure, and basic meaning

• Structure: 秒針 is read as びょうしん and is a noun for the second hand of a clock or watch.
• Basic usage: A second hand’s sound echoing appears in 秒針の音が響く, while the hand pointing to twelve appears in 秒針が十二を指す.

2. Common pitfalls and similar expressions

• Sound and dial position
  • Use の音 for its movement sound and が指す for its dial position.
• Difference from 分針
  • 秒針 indicates seconds rather than minutes.