Thinking it works the reverse of pressure onto the watch. Create a vacuum & if there is air escaping the case then it isn’t sealed properly.
As air is compressible, a positive pressure would see...
Type: Posts; User: Mj2k
Thinking it works the reverse of pressure onto the watch. Create a vacuum & if there is air escaping the case then it isn’t sealed properly.
As air is compressible, a positive pressure would see...