kronometer binary package in Ubuntu Lunar arm64

 Kronometer is a stopwatch application.
 .
 Kronometer's main features are the following:
  - start/pause/resume the stopwatch widget
  - laps recording: you can capture the stopwatch time when you want and add
    a note to it
  - lap times sorting: you can easily find the shortest lap time or the
    longest one
  - reset the stopwatch widget and the lap times
  - time format settings: you can choose the stopwatch granularity
  - times saving and resuming: you can save the stopwatch status and resume it
    later
  - font customization: you can choose the fonts for each of the stopwatch
    digits
  - color customization: you can choose the color for the stopwatch digits
    and the stopwatch background
  - lap times export: you can export the lap times on a file using the JSON
    or CSV format

Source package