The thing with these is the square pushers are the reason almost all of these have either poor condition dials or redials. Not only do they have zero water resistance (literally none at all) but they're not even dustproof, as there are no O-rings on those chronograph pushers so there are two permanent entry holes to the case there. Mine is one of the metallic dials which tends to hold up a bit better than most but was still scummy looking and needed careful cleaning with a plastic eraser to remove some mould and mildew though a tiny bit remains still.

If you're keeping it, do keep in mind it can never get wet, even humidity and light rain is a concern.