In the worlds of maritime exploration and gripping adventure literature, few names command as much respect as Clive Cussler. To honor the legendary American novelist and founder of NUMA on what would have been his 95th birthday, DOXA has unveiled the SUB 300 Ti5 Clive Cussler.
This special release marks the highly anticipated return of Grade 5 titanium to the brand’s lineup, paying homage to a profound history. For decades, Cussler’s iconic literary hero, Dirk Pitt, famously wore a DOXA SUB with its signature orange dial on his wrist during his underwater exploits. Today, that adventurous spirit is captured in a high-tech timepiece limited to just 300 pieces worldwide.

The Return of Grade 5 Titanium to the SUB 300 Case
The choice of Grade 5 titanium (Ti5) for this commemorative edition is both functional and symbolic. Measuring 42.50 mm × 45.00 mm with a thickness of 13.40 mm, the classic cushion case retains its legendary presence while offering state-of-the-art performance:
- Exceptional Strength-to-Weight Ratio: It makes this watch one of the lightest and most comfortable ever produced by DOXA, matching their carbon models in wearability.
- Superior Durability: Grade 5 titanium is significantly harder than standard stainless steel.
- Corrosion Resistance: It is highly resistant to saltwater, making it the perfect alloy for serious underwater exploration.
To ensure a cohesive aesthetic and structural integrity, the case, bezel, screw-down crown, and screw-in caseback are all meticulously crafted from Grade 5 titanium.



A First for DOXA: The Dual-Plane Dial Architecture
The defining visual innovation of the SUB 300 Ti5 is its brand-new dial architecture. Instead of a traditional flat dial, DOXA has engineered a layered, three-dimensional face composed of two superimposed Grade 5 titanium dials:
- The Lower Dial: Anchors the layout, carrying the Super-LumiNova® hour markers and the minute track.
- The Upper Dial: Positioned slightly above, this layer features precise, laser-cut openings that mirror the exact proportions and geometry of the hour markers.
- The Depth Effect: This microscopic gap between the two titanium layers creates a striking play of light and shadow, giving the face a subtle sense of depth without compromising legibility.
Completed with an understated sandblasted finish, the dial remains incredibly legible in both bright daylight and pitch-black diving conditions.
A Collector’s Detail: In a direct nod to Clive Cussler’s legacy, the date window at 3 o’clock features the numerals 15, 7, and 31 printed in vibrant DOXA orange, representing the author’s birth date (July 15, 1931).

Legendary Diving Performance and COSC-Certified Precision
True to the spirit of the original 1967 model, this watch is built to withstand extreme environments. Protected under a scratch-resistant, anti-reflective “glass box” sapphire crystal, it features:
Maximum Legibility: The iconic, oversized minute hand—rendered in DOXA orange—ensures the most critical dive information can be read at a glance.
Patented Unidirectional Bezel: Designed with DOXA’s signature dual-scale system (depth in orange on the outer ring, dive time in black on the inner ring) to help divers monitor no-decompression limits.
COSC-Certified Movement: Powered by a Swiss Sellita SW200-1 automatic movement decorated by DOXA. It beats at 28,800 vibrations per hour (4.0 Hz) and offers a reliable 38-hour power reserve.

Supporting Maritime Heritage with NUMA
This timepiece does more than just look back at history—it actively helps preserve it. In keeping with Clive Cussler’s lifelong passion, DOXA will donate a portion of the proceeds from this limited edition to the National Underwater and Marine Agency (NUMA). Founded by Cussler in 1979, this non-profit organization is dedicated to discovering and preserving historically significant shipwrecks, such as the Carpathia.
Technical Specifications: DOXA SUB 300 Ti5 Clive Cussler
| Technical Feature | Official SpecificationsPDF |
|---|---|
| Model / Reference | DOXA SUB 300 Ti5 Clive Cussler (Limited Edition of 300 pieces) |
| Case Material | Grade 5 Titanium (Ti5) |
| Case Dimensions | 42.50 mm (width) × 45.00 mm (length) × 13.40 mm (thickness) |
| Lug Width | 20 mm |
| Bezel | Unidirectional rotating Grade 5 titanium bezel with patented dual scale |
| Dial | Two superimposed Grade 5 titanium dials, laser-cut, sandblasted finish |
| Crystal | “Glass box” sapphire crystal with anti-reflective coating |
| Water Resistance | 30 ATM / 300 meters |
| Movement | Swiss Sellita SW200-1, mechanical self-winding, COSC-certified chronometer |
| Power Reserve | Approximately 38 hours |
| Caseback | Grade 5 titanium, screw-in with NUMA emblem, COSC certification, and numbering |
| Strap | Black Dive Flex rubber strap with a vintage tropical perforated pattern, pin buckle |
| Retail Price | CHF 2,890.00 / EUR 3,190.00 / USD 3,390.00 |


