Perfect, you want a Diver watch with a Automatic movement .

OK, now lets set a budget.
A couple of notes. First, there are great watches across all budgets. Out Staff pick for "Best Daily Wear Diver" is the Casio Duro, an under 50$ watch. Every watch collector or aficionado has a casios or other "budget" watch in their collection, because a great watch is not about the price.
Second, this is a free app - so you can change the search as often as you like unti you find the perfect watch for you :)