If your fingernail is the right size and you are willing to risk breaking it and impaling your fingertip and cracking the body of your watch with the leverage a

If your fingernail is the right size and you are willing to risk breaking it and impaling your fingertip and cracking the body of your watch with the leverage and the band isn't jammed to complicate the procedure, you can often make it work without tools. Yeah, the swap button is a big improvement.