Doxa SUB 300T Clive Cussler: Explorer's Legacy Watch

The Doxa SUB 300T Sharkhunter Clive Cussler

Looking at the design language, the most striking detail is the texture and finish. Doxa calls the material “aged stainless steel,” giving the entire watch a weathered look intended to mimic years of exposure to salt and sun. This treatment extends from the case to the bezel and even the beads-of-rice bracelet. It channels the spirit of a tool that has spent years on a boat deck. It’s a bold choice that separates it aesthetically from any other SUB 300T.

A Case Built for the Depths

The case measures 42.50mm in diameter by 44.50mm lug-to-lug. That size is modern, but the classic cushion case design historically allows these models to wear more compactly than the dimensions suggest. At 13.65mm thick, it carries the visual heft expected of a serious dive watch. It features a screw-down crown and a solid, screw-down caseback. This secures its 300-meter water resistance rating. That's more than enough for any recreational diver and most professionals, too. There’s also a helium release valve (HRV) at 9 o’clock. An HRV is a feature designed for saturation divers who spend long periods in pressurized environments. For the vast majority of collectors, it’s a piece of dive watch history engineered directly into the case.

The Compass Dial

The dial itself is where the Cussler identity is most apparent. It features a handmade decorative grinding treatment that creates a unique, almost distressed texture. Laid over this is a compass motif, a direct nod to exploration and adventure. The dial color is Sharkhunter black, a Doxa classic. All the crucial markings and hands are coated in Super-LumiNova for legibility in dark conditions. A simple date window sits at 3 o'clock, keeping things functional without adding clutter.

Doxa's Famous Bezel

You can’t evaluate a Doxa without looking at the bezel. This SUB 300T features the brand’s patented unidirectional rotating bezel with an integrated no-decompression limit table. The outer ring tracks depth in feet, and the inner ring tracks dive time in minutes. It’s a design that made Doxa a legend among divers in the 1960s. Having the US Navy's no-deco scale readily available was a major innovation for safety. Here, rendered in aged steel, it serves as an authentic piece of diving history.

The Engine Inside

Powering the watch is a Swiss automatic movement. Doxa specifies a frequency of 28,800 vibrations per hour (4.0 Hz), which is the modern standard for a smooth seconds-hand sweep and reliable accuracy. The power reserve is approximately 38 hours. While that sits on the lower side compared to modern calibers pushing 70+ hours, it remains a proven, easily serviceable movement.

Straps and Wearability

The watch ships with two options. The first is the iconic "beads-of-rice" bracelet, finished in the same aged steel as the case. This bracelet style is highly regarded for how well it articulates around the wrist. It also includes a black FKM rubber strap for a more modern, sporty visual. Both options come with a robust folding clasp that features a ratcheting wetsuit extension, allowing for quick micro-adjustments without tools.

Reference	840.80.101.15
Movement	Swiss mechanical automatic, self-winding
Power Reserve	~38 hours
Frequency	28,800 vph (4.0 Hz)
Case	42.50mm x 44.50mm x 13.65mm, Aged stainless steel
Crystal	Sapphire crystal, anti-reflective treatment
Water Resistance	300 meters / 984 feet / 30 ATM
Bezel	Unidirectional, aged steel, with no-decompression scale
Strap/Bracelet	Aged steel “Beads of Rice” bracelet and black FKM rubber strap
Lug Width	20mm
Limited Edition	93 pieces
Price	$3,250 USD

View on Brand

A True Collector's Piece

Ultimately, the SUB 300T Sharkhunter Clive Cussler edition is about connection. It ties together a celebrated author, a real-world exploration agency, and a rich history of underwater adventure. The aged finish and compass dial aren't designed for mass appeal. They are highly specific, stylistic choices that make a statement. But for the 93 people who will own one, that statement is precisely the point. The execution mimics an artifact recovered from a deep-sea expedition—an aesthetic that a standard, polished-steel diver simply cannot replicate. Doxa understood the assignment perfectly.