Discontinued model from 2012. Ultra rare model, yet along in this condition: excellent condition, gently used, fresh Swiss made battery, silver oxide, the best one from the market, no box or papers for it.
Mercedes Benz Drivers Line Classic Car Accessory Racing Sport Light Design Watch
A screw-in stainless steel back makes the watch water resistant to 5 ATM. On a side-note: only very few specially trained and equipped divers reach depths of 100 m and wear professional computers to indicate the life-saving compression- and decompression data; at such depths, normal watches will just not do.