How accurate is the find my app

I lost my Apple Watch a couple weeks ago and am losing my mind because I just can’t locate it. It seems to be in my home but I’ve turned this place upside down. My question, knowing this device is off/dead, if I use the find my watch app, is it taking me to my watches exact known location in the home or is it just showing me that it’s somewhere in the whole house? As in, is the app so accurate that it should actually lead me to the pin point of where the watch was last on or is there a radius it covers?