Please choose the correct solution to the question: Open a modern quartz movement watch to replace the battery.

Solution1: Place the watch face down on a soft surface. Look to see the back is a screw on or a push on.  Unscrew a screw on with the appropriate tool.  Use a small screw driver to pry the push on type off.  Put the new battery in place and reassemble.

Solution2: Place the watch face down on a soft surface. Look to see the back is a screw on or a push on.  Unscrew a screw on with the appropriate tool.  Use a finger nail to pry the push on type off.  Put the new battery in place and reassemble.

Answer format: solution1/solution2
Answer: solution1