TAG Heuer may be better known for its drivers? watches than its divers? watches, but the firm has a rich heritage of making serious sub-sea kit. From the Heuer ref. 11063P Autavia Diver back in 1982, through the ?Monnin? 844, 1000m Diver and the full-on nuts 1984 Super Professional 1000, there?s plenty in the back-catalogue to draw on for influences for the new Aquaracer Professional 300.

Like its forebears, this new watch has the six Aquaracer signature features: a screw-down crown, a unidirectional bezel, 200+ metres of water resistance, luminous dial markings, a sapphire glass and a double safety clasp. Mind you, those probably apply to pretty much every divers? watch but it?s good to know the bases are covered, right"

The screw-down crown?s shroud is now a little more rounded, echoing the original Heuer 844 ?Monnin?. The new ceramic bezel is dodecagonal, so it?s easier to grip even with slippery hands. Heuer?s engineers say ?the mechanism is smoother, quieter and easier to set.? In fact, there?s a bit of a ?rule of twelve? going on. Even the scaphander diving helmet motif on the screw-down caseback has, you guessed it, twelve sanides on its faceplate. That crown and caseback help keep the Aquaracer water resistant down to 300m.
The case itself has shorter lugs with polished and chamfered edges and it wears thinner than previous Aquaracers. Behind the caseback is the TAG Heuer cal. 5 movement, a solid, tested and reliable workhorse that?s based on the ve...