Hi,
First of all, it's lovely collection.
I am in very similar situation except that I am still waiting for my SUB ND.
I've also went ahead and bought Milgauss and Explorer while waiting for SUB and absolutely love both watches.
I am also thinking about adding Rolex OP 34/36mm in white dial as most of my watches are black dials.
As for what next, in my case I started looking into Grand Seiko, JLC Reverso for for dresser/ formal occasion.
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