How an iconic sub-$20 Casio watch was hydro-modified to survive deep-sea pressure

[Redaktion]

Back in December 2023, a hydro-modded Casio F91W survived a 4,950-meter deep-sea test by being filled with oil. The $19 watch was tied to the manipulator arm of a remotely operated vehicle before it was submerged.

https://www.notebookcheck.net/How-an-iconic-sub-20-Casio-watch-was-hydro-modified-to-survive-deep-sea-pressure.955075.0.html