DOXA SUB 300 Carbon Seafoam Limited Edition

Celebrating a partnership built on a shared passion and values, DOXA and Watches of Switzerland unveil The DOXA SUB 300 Carbon Seafoam Limited Edition. A legend preserved in forged carbon – lighter, stronger, and more urban, yet as true as ever to its origins. A sunray-finished dial in a soft-pastel Seafoam-green hue exclusive to The Watches of Switzerland Group. Only 100 numbered pieces made.

More than 50 years after the legend was born, the SUB 300 in carbon remains true to its origins while cultivating an edgier, more technical, but also more urban look and feel. It takes the legend into the future, with a high-performance construction that puts an advanced lightweight material at the service of function.

The SUB 300 Carbon Seafoam Limited Edition is presented with a sunray-finished dial in a soft-pastel Seafoam-green hue that is exclusive to The Watches of Switzerland Group. The case back is engraved with the Watches of Switzerland logo and the individual watch number out of the 100 limited-edition pieces. Included in the matching green box, alongside the black FKM rubber strap is a Seafoam NATO strap in the same color as the exclusive dial.

With a diameter of 42.5 mm, the carbon SUB 300 features a pressure-resistant titanium casing to protect the movement and a screw-down crown. It is rated to 300 meters, equivalent to approximately 980 feet. Precision, robustness, reliability – the SUB 300’s automatic three-hand movement holds the prestigious COSC Certified Chronometer certification guaranteeing all three. It also provides a 38-hour power reserve. The date window is positioned at 3 o'clock. The scratch-resistant sapphire crystal with an anti-reflective treatment is domed: a tribute to its heritage and the curved plexiglass of the very first SUB 300. All dive-related markings have a Super-LumiNova® luminescent coating to ensure optimum legibility even in low-visibility conditions.

Featuring distinctive DOXA cues on both sides, the black rubber strap is fitted with a black PVD-treated folding clasp decorated with the exclusive DOXA fish symbol. It also has an adjustable diving extension to accommodate the thickness of a wetsuit.

The SUB 300 Carbon Seafoam Limited Edition will be available excluisely from The Watches of Switzerland Group at their UK and US showrooms and their website from September 22^nd, 2025. 

About Watches of Switzerland Group

The Watches of Switzerland Group is the UK’s largest luxury watch retailer, operating in the UK and US comprising seven prestigious brands; Watches of Switzerland (UK and US), Mappin & Webb (UK), Goldsmiths (UK), Mayors (US), Betteridge (US), Analog:Shift (US) and Hodinkee (US), with a complementary jewellery offering. Since 8 May 2024, the Group has also owned the exclusive distribution rights for Roberto Coin in the US, Canada, Central America and the Caribbean.

As at 27 April 2025, the Watches of Switzerland Group had 208 showrooms across the UK, US and Europe including 94 dedicated mono-brand boutiques in partnership with Rolex, OMEGA, TAG Heuer, Breitling, TUDOR, Longines, Grand Seiko, Roberto Coin, BVLGARI and FOPE and has a leading presence in Heathrow Airport with representation in Terminals 2, 3, 4 and 5 as well as seven retail websites.

The Watches of Switzerland Group is proud to be the UK’s largest retailer for Rolex, OMEGA, Cartier, TAG Heuer and Breitling watches. Visit www.thewosgroupplc.com

Technical specifications

Doxa SUB 300 Carbon Seafoam Limited Edition

Reference: 822.70.131.20-SE5

WoS article number: 18800182

Limited edition of 100 pieces

Case

• Material: Forged carbon
• Diameter: 42.50 mm × 45.00 mm
• Thickness: 13.40 mm
• Glass: Domed sapphire crystal
• DOXA’s patented unidirectional rotating bezel in carbon (in meters)
• Screw-down crown
• Chamber and screw-in caseback in titanium
• Water-resistant to 30 ATM / 300 meters / 984 feet

Dial and hands

• ‘Seafoam green’ dial with sunray finish, exclusive to The Watches of Switzerland Group
• 3 hands: Hours, minutes, seconds
• Baton markers
• Date window at 3 o’clock

Movement

• Swiss-made automatic movement, COSC-certified chronometer
• Frequency: 28,800 vph (4 Hz)
• Number of jewels: 26
• Power reserve: approximately 38 hours
• Decorated with DOXA finishes

Functions/Indications

• Hours, minutes, seconds, and date

Strap and buckle

• FKM rubber strap with black PVD-coated folding clasp, featuring ratcheting wetsuit extension
• Seafoam NATO strap with pin buckle and quick-release spring bars
• Lug width: 20 mm

MSRP

• USD 3'990
• GBP 3'890

For more information, please visit watchesofswitzerland.com