I know there are some Seiko fans on the forum here. This one is in excellent condition. I have never worn it. I bought it from someone that only wore it a few times. I would say it's at least TZ 90%. Here are the specs. My price is just $250.00 including shipping if you are in the U.S.
Seiko Prospex Model SBDA003 "Samurai" Scuba Air Diver
New Price: $397.00 USD
Movement : legendary workhorse automatic 7S26
Water resistance: 200 meters
Case material: Titanium
Diameter: slightly over 42mm