jq countdown minute minus 1 second hand stopped moving

Does the questioner want to ask "What is the reason why the jq countdown minute minus 1 second hand does not move"? Battery issues, mechanical failure.

1. Battery problem: The second hand stops moving because the battery power is low or the battery is exhausted.

2. Mechanical failure: The second hand stops moving due to mechanical failure. There is a problem with a part inside the clock and needs to be repaired or replaced.