Fricks
1223
heads or tails,...
... both are great, you cannot go wrong with either.
Now i have a slight preference for the 5575G, as the white gold on the 5975G in combo with that dial, makes it a bit cold ( dry ). Works best with J and R,... and of course P.
The 5575G is simply stunning, but you might consider that its not easy to read. Very easy to admire though.
You are giving yourself 2 month before getting it? That's a very long time for your A.D to keep it. Demand is high on it, so if i were you, i would hurry to lock one of them. Just to be on the safe side