What’s the Most Versatile Watch in Your Collection?

I’ve been thinking about how different watches fit into daily life — some feel perfect for formal occasions, while others are great for casual wear. But every now and then, you find that one watch that seems to work in any situation. For me, it’s been my submariner
I’m curious… which watch in your collection do you find yourself reaching for the most, and why? Is it comfort, durability, or just the way it makes you feel?