The belt loops of Avanto HORIZON belt bag leather bag (order 028-0618976-7382763) held about 8 months.
Now I try this exclusive Slim Design Genuine Leather Case for the Galaxy Note. 1
The bag is very chic, the magnetic lock works, but is likely to be quiet strong.
This bag is the first with only one (wide) belt loop. And after a few weeks I have a feeling that this might be more durable than the previous bags with their two thin loops.