Longines L3.6220.127.116.11 Hydro Conquest is for sure one of the most beautiful mens watches in this price range.
Price of this Longines L3.618.104.22.168 model is around 800$ on Amazon (35% off this month).
With case diameter of 40 millimeters and case thickness of 10.2 millimeters this is also one of the best looking watches on hand.
Now, I will show you some images of this model and if you want to buy one you can do it on Amazon. (CLICK here for 35% off)