Not really, it's too free to be a serialist piece, although I'm almost flatered, since at the time I knew pretty much nothing about 12 tone, let alone serialism. And there was nothing to influence rhythms and stuff. Apart from the very very basic place of the 2nd "theme" (the F. Hrn.) which was placed there to meet at the end, nothing else. The first chords which last as long, do so, because... they can hold their breath for so long!
But yes, the system did lead me greatly to a conclusion with minimum of input by me, I said that... Especially the flow movement was done in a single day or so. Second movement took a bit longer to complete, etc. There is a bit of counterpoint, and a streto (the strings in the middle, fast section, which again is pretty mechanic. Entrance point and put it together), etc.
I do like(d) working with systems. It gives you straight guidelines on what to do, etc. If the system is good, it could also work as a listening experience. This does not always happen however...