Sewing jeans isn't hard, but it is time consuming. There are many little steps along the way, lots of changing of thread, pressing and finishing. This is my first attempt at sewing jeans and I am quite happy with them.
jeans V2442, which I'd picked up from the Op Shop. It wasn't in my size, but was handy to refer to. I also referred heavily to a pant sewing tutorial in Burda 9/2009, my vintage Readers Digest Guide to Sewing and this video tutorial for sewing a flat fly front, but I added a fly facing too. I also had about three pairs of jeans on hand to analyse before deciding what to top stitch or where to place pockets. I also read through a bunch of info on the Pattern Review forums about sewing jeans.
The only thing I wasn't able to figure out during researching the jean sewing thing, was how to centre the back pockets. When you mock flat fell the centre seam, the top stitching appears more to one side of the jeans. How do you centre the pockets? Mine are a little off, but as the top stitching doesn't stand out you can't really see. I'd appreciate any tips, as I think I will make another pair.