If you don’t want to splurge, you'll appreciate this A.P.C. Coat. It's a foolproof choice and a good investment. Another strong contender for your wardrobe is this Etoile Isabel Marant Coat. While the price of this product is not very high, it will definitely attract a lot of attention.
If you're looking at it like an investment piece, then what you're looking for is this Acne Studios Coat. It's more expensive but worth your money. While you're at it, also have a look at this Burberry Coat. Yes, this item is expensive, but it does not mean it's not worth it. You can also consider this Loewe Coat. You won't regret the money spent!