Last year was all about the Sub 300 Carbon Aqua Lung US Divers at Doxa. It was the brand’s first model in its all-new forged carbon case. A limited-edition of only 300 pieces, that innovative Sub 300 did not only have a carbon case but a bezel and dial too. Last week, Doxa released an array of new Sub 300 Carbon models, six to be exact, in ten versions.

Whether you want a piece that stands out or fancy a more down-low color, Doxa’s got you covered. From the classic orange to a daring turquoise, the line offers a diver for everyone. And the best thing about it; they’re non-limited versions.


The new Doxa Sub 300 Carbon is the continuation of what was started last year by the Carbon Aqua Lung US Divers. However, that watch also takes inspiration from the reedition steel Sub 300. The lineage from there goes back to 1967 when Doxa created a dive watch with an orange dial for the first time.

The then-new Doxa Sub 300 had a thinner C-shape case, domed crystal, and the first unidirectional bezel with a dial indication of dive time and depth.

The so-called decomp bezel was the invention of Doxa engineers. They used the US Navy no-decompression dive table and applied it to the bezel to help divers monitor the time spent underwater and ensure a safe return. All of the above-listed features are elements of steel Sub 300 reedition and the new carbon models.

Sub 300 Carbon

The new Doxa Sub 300 Carbon comes in six dial colors. The most obvious of those is the classic Sub 300 orange. If you fancy traditional colors, you can get it with a black Sharkhunter, grey Searambler, or Yellow Divingstar dials. The latter is especially rad combined with the black forged carbon case. Aside from these four, two additional colors, blue (Caribbean) and turquoise (Aquamarine), are part of the assortment. You might recognize these colors, as the regular steel Sub 300, just like many other Doxa models, came in these tints. Doxa is all about versatility when it comes to its new models. So, you cannot only choose from six dials but a bunch of rubber straps. Every watch, regardless of the dial color, is available with a black strap. Furthermore, you can snag an orange, yellow, blue, or turquoise rubber strap for a tone-on-tone match with your dial.

Doxa Sub 300 carbon

Forged Carbon and COSC

The new Sub 300 Carbon release are the first models in Doxa’s lineup available in a forged carbon case and are non-limited models. The advantages of carbon are obviously its weight, sturdiness, and distinctive appearance. Forged carbon, unlike carbon fiber, has a unique texture. Carbon has a unified “woven” look, while forged carbon has a non-homogeneous marble-like pattern. This makes every piece unique, as the new Doxa Sub 300 forged carbon was used for the case and bezel.

Yet, the Doxa Sub 300 Carbon is not all about looks. Like the previous Sub 300 models, the watches come with COSC-certified ETA 2824 movement housed in a titanium movement chamber (and case back) inside the 42.5mm carbon case. The caliber has 38 hours of power reserve, operates at 28,8000vph, has 25 jewels, and Doxa decoration.

Doxa Sub 300 carbon

Size matters

While the watch is not small at 42.5mm, thanks to its thin case that’s only 13.4mm, it is easily wearable. Just like the vintage model, the new Doxa Sub 300 Carbon also comes with a domed crystal. However, unlike the original Sub 300, a sapphire crystal was used instead of Plexiglas this time. The indices are painted on the dial and have Super-LumiNova coating just like the hands. In true Doxa fashion, the logo is at the 10 o’clock position, the model’s name is at 4, and the aperture for the date window is at 3. At €3,790, the new Doxa Sub 300 Carbon is not the most budget-friendly model. Yet, if we consider what we are getting for our money, the price is easily justifiable. Once that’s done, it’s all about picking the right color for you. Check the available models via this link.

Watch specifications

SUB 300 Carbon COSC
822.70.351.21 (orange dial, orange bracelet) 822.70.351.20 (orange dial, black bracelet) 822.70.021.20 (silver dial, black bracelet) 822.70.101.20 (black dial, black bracelet) 822.70.201.32 (navy dial, navy bracelet) 822.70.201.20 (navy dial, black bracelet) 822.70.361.31 (yellow dial, yellow bracelet) 822.70.351.20 (yellow dial, black bracelet) 822.70.241.25 (turquoise dial, turquoise bracelet) 822.70.241.20 (turquoise dial, black bracelet
Painted indices with Super-LumiNova® luminescent inserts Hands highlighted with Super-LumiNova® luminescent inserts Painted minute track
Case Material
Forged carbon
Case Dimensions
Diameter : 42.50 mm x 45.00 mm - Thickness: 13.40 mm
Glass box sapphire
Case Back
Titanium screw-in case back
Mechanical self-winding, 3 hands, COSC-certified Power reserve: 38 hours Frequency: 28,800 vibrations per hour (4 Hz) – 25 rubies, with DOXA decorations
Water Resistance
300 meters, equivalent to 30 ATM, approx. 980 feet
Rubber, black or tone in tone to match dial color Folding clasp, PVD-coated, featuring the exclusive ‘DOXA fish’ symbol Diver’s wetsuit extension
€3,790, CHF 3,790, $3,890