Best mechanical dive watch?

[bboris]

Although, I am not a diver (I might snorkel once a year at best), I am fascinated by mechanical dive watches. Being aware that this is a Rolex aficionado forum (and I have myself several Rolex Subs), I was nevertheless wondering which mechanical dive watch you think is best in regard to price (hence, not the Deepsea), ruggedness etc. (Rolex Sub, Omega, Doxa, Oris etc.).