Horology hammer
Returning back to class for day 2 I was now facing that fact that my mainspring was broken . This was job 1. I asked Dave the watchmaker if I have to replace it or could I repair it. He says "no harm trying and it might work." What was required was me staking (you'll see) a new hole in the very end of the mainspring. The fact is that 99% of the mainspring's length was fine and making is 1% shorter has virtually no impact on it's ability to drive the watch. But the hole has to be just right... And, of course, Dave has a staking tool. A staking tool allows the user to drive a stake down onto something in a very precise way. You select the appropriate (you'll see) stake from here: The take is a steel rod with a very specific sized/shaped end. You slide it in the tool here: And given that you measured the diameter that you need to punch your hole (I did)... With some very careful alignment... You can tap a hole (or two taps to make a larger, more oval shaped hol...