The new 36mm is ref 126234 (white gold fluted bezel). The case sort of looks like the 16234 but is polished and not brushed. It also feels more robust than the 16234 dispite its slim lugs. The version in between these two, the 116234, is the one with the thick lugs.
I have the new 36mm bought this summer and it wear really really well. It is more dressy that the 16234 due to the polished case. A friend of mine has a 16234. You won’t go wrong with either of them but if money is no issue here, I would pick the new one.
A couple of pics for inspiration
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