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An eclectic collection of modern rolex my friendš...
Good reasons for your choices.
The Daytona 116500 is must have. A 116520 will do for me too.
As for the GMTM, I have handled the blue/black but somehow, there is not much "feel' so it remains a KIV for me.
While I did not find the 126710 BLRO to be a big wow, I would not mind adding on to my steel pepsi bunch. However, dpd on availability and pricing, the 116719BLRO might be the way instead.
The Skydweller IMO, is a reference that stands on its own. A demonstration of what the brand is capable of apart from the recognisable icons.
Happy collecting

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Cheers!