Thanks to George, my tutor, I got hold of a whole stack of technical instructions. Half of them are Omega, and the other half a mixture of Swiss manufacturers, such as ESA, ETA, Le Landeron, Venus, etc.
I could of course flog pdfs of the lot on eBay, but I think information like this should be as widely shared as possible, so I will start posting them here.
First, the Omega stuff:
And then the non-Omega – some quite interesting stuff in here, too:
I hope you will find these useful – I surely do!