"A splash won’t be a problem for your watch, it’s the full immersion into water that would be a concern like swimming or diving. The watch was not designed with that level of tightness.
The care of cleaning the surfaces as well as not damaging the seal lip (nicks and scratches) as well as properly installing the seal and not touching the adhesive surface with your skin will all effect the effectiveness of the seal.
In any case the simple fact is you can’t achieve the same seal effectiveness as the original factory seal."
