This is an interesting brand, GSX. they are a Japanese company that prides itself in that their watches are completely made in Japan. The company was established in 1995 and uses domestic movement, domestic design, domestic material and finally domestic production. The watches covers a huge range but their collaboration models are very very interesting. They use movements made by Seiko, e.g. 6R15 movement.
For more information:
Some of the watches:
The standard collection
Their collaboration series: Biohazard Series (I believe this is a collaboration with the computer game Resident Evil). The packaging for the watches are just awesome.
Star Wars Collaboration
This is just a sample of the watches they offer. To see the whole range, just visit their website.