Thankfully the 1985 footballer with wet gel perm has been out of style for awhile now, but there's still a few stalwarts left in parts of Rotterdam. Then there's the freaks from Amsterdam who combine that with gold earrings so they look like some pirate on a 17th century galleon.
I think there's a number of traits in Dutch mens style, but essentially it is a hybrid of either Italian or English tailoring with added whimsy. Here is an example:
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The tie is somewhat bright and almost garrish by English standards.
Based on the Randstad i.e. Amsterdam, The Hague and Rotterdam, the biggest influencer as I can see is Suitsupply, ill-fitting business suits with names such as Napoli, jackets called Havana and such like. Cheap and nasty, made in China, but the company is Dutch. On the school run you see lots of younger dads in their suits, you can tell because everything is too short and tight, they also never sport ties. Men who get their suits here also tend to go for the scuffed and pointy tan shoe look and this look is everywhere in the Randstad.
There's no equivalent of the Row or city-wide school of tailoring as you have in Italy here. What you do get are lots of small tailors, many of which seem to be new start-ups in the last ten years. Then you have some old firms Eduard Pelger which is still family owned and has been around since 1860, this use to be where the politicians of The Netherlands purchased their suits, but not now apparently and are struggling. In The Hague you also have F.G. van den Heuvel established in 1882 which was family owned, but recently has been taken over by a group of four shareholders and I am not sure how many are left, one is a surgeon and I think the owners are all gentleman amateurs. But I think they own the building they are in, so no rent to worry about.
Then you have newer contemporary players which offer a mix bag of RTW and MTM: Oger, Scotch & Soda, Suits for Dudes, et al some of these I would class as attempts at haute couture. Oger has changed tact somewhat and are now pushing their MTM stuff to encroach on Suitsupply territory, if those who work in their stores are anything to go by, it will be dreadful cod-Italian stuff. There's also The Society Shop, which is a more upmarket Suitsupply and seems to be doing well.
You also have some Persian shirtmakers and places selling Brioni at suitably inflated prices.
The older outfitters (Pelger and F.G. van den Heuvel) are very much in the English style and are popular with older Dutch gentlemen and expats. Pelger I would say is the equivalent of the old Austin Reed in the UK before they went down market. F.G. is intriguing as they have some amazingly bright ties, some rep ties with fluorescent bands in them. I'll try and post some photos later of examples. Sounds garish, but actually it works. Very different to English ties in this respect, I think this is a Dutch thing, but in saying that, as elsewhere, ties have long since been discarded.
So there are good options here, but you have to seek them out in amongst the dross of cod-Italian Chinese made rubbish.