⏱ 5-7 min read
📅 Updated Oct 2026
🔍 1 Watch Reviewed
Tribute watches are easy to get wrong. Too often a brand borrows a name, adds a commemorative caseback and calls it heritage. The Ardath Reefguard RG3926T takes a more committed route. It revives a 1959 skin diver, ties it to a specific person and a specific achievement, and packages the whole thing as an object meant to be read as well as worn.
That person is Bob Croft, known as the Father of American Freediving. The watch is a tribute to him, and nearly every decision about it, from the caseback to the box, follows from that.
The original Reefguard was never the most prestigious dive watch of its time, and it didn't need to be. What it had was personality, and that is the part Ardath has chosen to carry forward.
The tribute goes further. Each watch ships with a small fragment of the original rope Croft used on his three world-record dives, a physical link to the moment that changed freediving. It is a small thing, and that is part of its appeal: a few inches of rope that make the history tangible rather than decorative.
📅 Updated Oct 2026
🔍 1 Watch Reviewed
That person is Bob Croft, known as the Father of American Freediving. The watch is a tribute to him, and nearly every decision about it, from the caseback to the box, follows from that.
A Brief History of the Reefguard
Ardath was a midcentury Dreyfuss-owned watchmaker with a broad catalogue: chronographs, Roskopf movements, Swiss lever three-handers and even an early dual-timezone design, according to a vintage watch dealer's write-up. As the skin-diver boom of the 1960s took hold, the company bought in diver cases and paired them with highly legible, luminous dials to create the Reefguard line. A collector's account places the launch of Ardath's first skin divers in late 1959, which matches the heritage this reissue draws on.The original Reefguard was never the most prestigious dive watch of its time, and it didn't need to be. What it had was personality, and that is the part Ardath has chosen to carry forward.
The Bob Croft Connection
What separates the RG3926T from a standard reissue is its dedication to Croft. The caseback carries an embossed silhouette of him in descent, drawn from one of the most iconic images of his career. It's an unusual choice. Most casebacks are engraved with specs and serial numbers. This one tells a story.
Presentation: A Box That Reads Like a Book
The packaging follows the same logic. Instead of a standard watch box, the RG3926T arrives in a book-shaped presentation box containing a reprint of Croft's own written book. It's a smart touch. It turns the unboxing into a reason to learn about the man behind the tribute, and it gives the package a lasting purpose beyond storage.
Case and Dimensions
The case is 316L stainless steel, and the proportions deserve attention:
Diameter: 39mm
Lug to lug: 48mm
Thickness: 12.20mm
Lug width: 20mm
On paper these are close to ideal for a modern vintage-inspired diver. A 39mm diameter keeps the watch within the classic skin-diver range, and a 48mm lug-to-lug measurement suggests it should sit well on a wide range of wrist sizes. At 12.20mm thick, it's slim enough to slide under a cuff without losing its tool-watch character. The 20mm lug width also opens up a wide choice of aftermarket straps, though the integrated bracelet means most buyers will start there.
Bezel, Crown and Water Resistance
Function is where the RG3926T moves from tribute to tool. The bezel is a 120-click unidirectional design, the standard for a dive watch, and it pairs with a screw-down crown. Water resistance is rated at 200 meters, which is more than enough for recreational diving, snorkeling and everyday use.
That rating also sets this watch apart from many period skin divers, whose depth claims were often more aspiration than guarantee. A modern screw-down crown and a 200-meter rating give you something you can use rather than merely admire.
Dial, Crystal and Lume
The watch uses a scratch-resistant, double-domed sapphire crystal with four inner anti-reflective coating layers. The double dome is a nod to vintage acrylic crystals, giving the watch the warm, curved look of its ancestors, while the sapphire and coatings handle the practical side: durability and legibility.
Lume is Swiss old radium premium X1 Super-LumiNova. In plain terms, that means a modern luminous compound in an aged, creamy tone designed to recall the patina of vintage radium dials, without the actual radium. It's an increasingly popular approach, and it suits a watch built on the visual language of 1959.
Movement: Sellita SW200 Elaboré
Inside is a Sellita SW200 in Elaboré grade, an automatic movement with these specifications:
Frequency: 28,800 vph
Jewels: 26
Power reserve: 41 hours
The SW200 is among the most widely used and best-understood automatic movements in the industry. It won't win awards for novelty, and that's the point. It's easy to service, parts are readily available, and watchmakers everywhere know it well. For a watch meant to be worn and kept for years, that practicality counts for a great deal. The 41-hour reserve is adequate for a rotation collection, though it's worth remembering if you leave the watch off the wrist for a weekend.
The Bracelet and Strap Options
The RG3926T comes on a solid stainless steel Beads of Rice bracelet, one of the defining bracelet styles of the 1960s and a natural fit for the Reefguard's retro character. It's integrated, meaning it connects to the case without a visible gap. That gives the watch a fluid, cohesive line and, according to Ardath, better comfort on the wrist.
The clasp is tool-less and adjustable, so you can change the fit on the fly. That matters more on a dive watch than on most. Wrists swell in summer heat, shrink in the cold, and need extra room over a wetsuit, and here you can adjust for all of it without a spring-bar tool or a trip to a jeweler.
Ardath has also thought about what happens when you swap the bracelet out. The case has a second set of strap-pin holes that closes the gap between case and strap, so the watch sits tighter and looks more integrated on a strap than a standard lug setup would allow.
Ardath also offers two alternatives at checkout, each for +$89:
ARDATH Milanese Mesh Bracelet: a softer, more dressed-up look that suits the watch away from the water.
ARDATH FKM Rubber Strap: a practical choice for swimming, diving and daily wear, since FKM rubber is known for resisting water, sweat and wear.
The result is a watch that can look period-correct on the bracelet, relaxed on mesh, or ready for the water on rubber.
Price and Availability
The RG3926T is priced at $1,490, with import duties included for US customers, which removes a common source of unpleasant surprises at checkout. It is Swiss Made, and it is scheduled to ship in January 2027.
For that price, the specification is hard to fault: a Swiss-made 39mm case, sapphire crystal, 200-meter water resistance, an Elaboré-grade Sellita movement and a bracelet. The tribute elements, the rope fragment, the book-shaped box and the reprinted book, add value that a comparable standard dive watch simply doesn't offer.
Who Is It For?
The RG3926T makes the most sense for three kinds of buyers:
Vintage dive watch fans who want the proportions and mood of a 1959 skin diver without the risks of buying a 65-year-old watch.
Freediving enthusiasts who will appreciate the Croft connection and the story it tells.
Collectors who value narrative, for whom the rope fragment and the book are as important as the movement.
It may be a harder sell for buyers who care primarily about in-house calibers or maximum depth ratings. Those are fair priorities, but they aren't what this watch is about.
Verdict
The Ardath Reefguard RG3926T succeeds because it has a reason to exist. It isn't a generic reissue with a commemorative sticker. It's a coherent project built around a real person and a real achievement, supported by sensible specifications and a price that stays within reach.
Pros: thoughtful tribute details, well-judged 39mm case, 200m water resistance, sapphire crystal with AR coating, serviceable Sellita movement, bracelet included, duties included for US buyers
Cons: 41-hour power reserve is modest, and delivery isn't until January 2027
The final test is how it feels on the wrist. On paper, though, the RG3926T is one of the more interesting tribute divers at its price.
FAQ
What is the Ardath Reefguard RG3926T?
A modern reissue of Ardath's 1959 Reefguard skin diver, created as a tribute to freediving pioneer Bob Croft.
What movement does it use?
A Sellita SW200 Elaboré automatic with 26 jewels, 28,800 vph and a 41-hour power reserve.
How big is the watch?
39mm in diameter, 48mm lug to lug, 12.20mm thick, with 20mm lugs.
How water resistant is it?
200 meters, with a screw-down crown and a 120-click unidirectional bezel.
How much does it cost, and when does it ship?
$1,490, with import duties included for US customers. Shipping begins in January 2027.
[photo credits: ardathwatches.ch]
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