I have and love them both. But if I could only keep one, I'd keep the GWM5610U-1. At the end of the day it's just more legible. That said, the GW6900-1 is fucking great. You'd be happy with either, I'm sure. (r/gshock)

In reply to a post on r/gshock:

I have and love them both. But if I could only keep one, I'd keep the GWM5610U-1. At the end of the day it's just more legible. That said, the GW6900-1 is fucking great. You'd be happy with either, I'm sure.