Patek Philippe Aquanaut Black Dial 5167AThe Patek Philippe 5167A is very popular and hard to get. It comes with a black dial that changes color depending on the lightsometimes it looks grey, silver, or deep black. It gives you a different look every time you see it. Even though it's a sport watch, the polished stainless steel bezel and tropical strap add a touch of luxury. If you're new to high end watches, this model is often the first choice from Patek Philippe.