The new Aquaracer from TAG Heuer is called the Aquaracer Professional 300. It still features the previous generation?s signature 12-faceted bezel, but has been equipped with a new set of sword hands, octagonal indexes, a new folding clasp with fine adjustment, and a date window at 6 o’clock (with a round magnifying lens), resulting in an overall more mature, cleaner look (also owing to the use of a thinner font for the bezel and a much more symmetrical dial layout).

Or, in the words of the brand:

“For the Aquaracer Professional 300 launch collection, TAG Heuer?s designers worked with a clear concept ? to create a bold, high-performance, ergonomic watch for divers that was distinctively TAG Heuer. On top of that, they wanted to respect the company?s divers? watch tradition.”TAG Heuer
That tradition began with the Heuer Ref. 844, a divers? watch released around 1978, and first publicly marketed in the 1979 Heuer catalogue. Heuer had decided relatively late to enter the diver’s-watch market with a dedicated model and went with a no-nonsense case and dial design. The first release of the 844 came with a cathedral hour hand, later versions with a Mercedes hour hand. Production was eventually moved from Heuer’s French supplier Monnin to Switzerland, replacing the “Made in France” with a “Swiss Made” on the dial (as well as the 4611A from France Ebauches with a Swiss ETA 2872). More importantly, the 844 was “...