Thank you very much for your elaboration! :)
I did watch the videos on leitmotifs, I just think I interpreted it in a slightly different way. My character in this case being time I focused more on rythm and tempo (time speeding up underneath floaty chords as an example). The only true "melody" that I encorporated is heard right at the beginning (Movement from C#->D with a drone on B to give the feel of something being constantly looming in the background.) The motif only shows up again at the end when the bell rings (exact same movement but in different harmony (emphasised by the bell). But perhaps that is where I made the mistake, thinking that it was enough to constitute a "motif" ^^
I will try and keep memorability and repeatability in mind for future reference! :) thanks again for taking time out to explain!