> let's hope nobody drills a hole in the Moon
https://what-if.xkcd.com/46/ - while it deals more with the Earth (which has a more molten core), its still applicable. There's still molten material ( https://science.nasa.gov/moon/composition/ ) but it's a lot deeper.
> (or blows the Moon up)
As a classic Neal Stephenson (great world building, good plot... and it ends)... Seveneves starts with:
> THE MOON BLEW UP WITHOUT WARNING AND FOR NO APPARENT reason. It was waxing, only one day short of full. The time was 05:03:12 UTC. Later it would be designated A+0.0.0, or simply Zero.
... and given the book and the "what happens"... a watch surviving (much less keeping the phase of the moon) would be impressive.
There's also the Dr. Who take ("Spoilers") https://youtu.be/pHOnGSFzd3Y