I suppose what is "reasonable" might be different for different people. I already had pentalob bits although a fresh spudger is always welcome. But these are not exotic tools. The "glue" under the battery was a bit like "command strips" commonly used to hang things from walls.

It is interesting to think about the range of physical tool usage that is within a reasonable expectation. Is owning and being able to operate an implement to open and replace a battery in a simple watch like the Casio F91W reasonable?