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| Amazfit’s T-Rex 3 Pro line-up could get a new 51 mm variant |
In the world of rugged smartwatches, size often matters. For outdoor enthusiasts and fitness fanatics, a larger display isn’t just about aesthetics—it’s about legibility on the move and battery capacity for extended adventures.
If a recent leak from a top brand ambassador is anything to go by, Amazfit is getting ready to supersize its flagship rugged wearable. A new Amazfit T-Rex 3 Pro 51 mm smartwatch appears to have been prematurely unveiled, not in a press release, but in a YouTube video posted by one of the brand’s most recognizable athletes.
Here is everything we know so far about this unexpected "big brother" to the T-Rex 3 lineup.
The Accidental Unboxing
The leak comes courtesy of Hunter McIntyre, a HYROX athlete and Amazfit brand ambassador. In his latest YouTube video (which focuses primarily on training and competition), McIntyre includes a brief segment dedicated to unboxing what he verbally refers to as the “TRX Pro 51 mm.”
While the verbal slip of “TRX” instead of “T-Rex” has caused a minor stir in comment sections, the visual evidence is undeniable.
In the clip, McIntyre places the new 51 mm variant directly next to the existing 48 mm T-Rex 3 Pro. The difference is immediately noticeable. While the current generation already offers a substantial wrist presence, this new model pushes the envelope, catering to those who prefer a true "G-Shock" territory footprint or simply want the maximum screen real estate possible during workouts.
Design Evolution, Not Revolution
While a size increase is the headline feature, the side-by-side comparison reveals that Amazfit’s design team hasn’t just blown up the old blueprint. They have refined it.
Slimmer Bezels: The most immediate visual upgrade is the reduction of the top and bottom bezels. The "chin" and "forehead" of the watch face appear significantly trimmed down, potentially offering a better screen-to-body ratio without increasing the lug-to-lug distance dramatically.
A Cleaner Architecture: The button labeling has been tidied up. On the current 48 mm model, text labels like ‘Select’ and ‘Up’ are printed on the metallic bezel itself. On this 51 mm prototype, those labels have been moved inward onto an inner ceramic-looking ring. This shift gives the external bezel a much cleaner, monochromatic look.
The Notches: Eagle-eyed viewers spotted four distinct notches machined next to the pushers. While the current T-Rex 3 Pro has protective shoulders for the buttons, these new notches suggest a different mounting system or perhaps a more industrial, tool-like aesthetic.
The Red Arrow is Gone: The signature red accent arrow at the 12 o’clock position on the bezel has been removed. This is a bold move; the red arrow has been a staple of the T-Rex DNA for generations. Its absence suggests Amazfit may be looking to differentiate the "Pro" line as a more mature, stealthy sibling compared to the standard military-grade T-Rex 3.
Flashlight Included, But What Else?
During the brief hands-on, McIntyre mentions the inclusion of a flashlight. It is worth noting that this isn’t a new feature per se—the current T-Rex 3 Pro 48 mm also includes a brightness-packed LED flashlight.
However, the fact that he specifically calls it out raises a question: Is the flashlight brighter? Does it have new strobe modes? Or was he simply noting that the feature carries over? Currently, Amazfit has not released a spec sheet, leaving the internal hardware changes a mystery.
The Case of Mistaken Identity: T-Rex Ultra 2?
Here is where the plot thickens.
This isn’t the first time we’ve seen a large-format Amazfit watch in the wild. Earlier this month, leaked images surfaced on Reddit depicting a very similar looking smartwatch. Initially, those images were attributed to a completely different rumored device: the Amazfit T-Rex Ultra 2.
Check out the original Reddit discussion here
That post, since preserved by users, theorized that the "Ultra 2" might be shelved in favor of this "Pro 51mm." Given the visual similarities between the deleted leak and McIntyre’s video, it seems highly plausible that we aren’t looking at two different watches.
The Verdict: The rumored T-Rex Ultra 2 is likely the T-Rex 3 Pro 51 mm. Amazfit may have simply rebranded the device late in the development cycle to streamline their product stack.
Pricing and Availability
The elephant in the room: When can you buy it, and how much will it hurt your wallet?
Currently, both the 44 mm and 48 mm versions of the T-Rex 3 Pro retail for $399.99 on Amazon. It is a premium price point that positions the T-Rex Pro line directly against the Garmin Fenix and Apple Watch Ultra.
Check current pricing on the T-Rex 3 Pro 48mm here
Amazfit has not confirmed whether the 51 mm model will carry the same $399.99 MSRP. Typically, increasing the case size—which requires more material, a larger battery, and potentially a bigger display—results in a price bump. However, given that the 48 mm is already priced at the $400 threshold, Amazfit may be forced to absorb the cost to remain competitive.
Final Thoughts
This leak feels different from the usual product renders. It is tangible, handheld, and endorsed (even if accidentally) by a paid athlete. This suggests a launch is imminent—likely within the next 4 to 6 weeks.
For fans of the brand, the T-Rex 3 Pro 51 mm represents a shift in strategy. Amazfit is no longer just the "value" alternative; they are chasing the hardcore niche that demands maximum durability and maximum size.
We have reached out to Amazfit for comment regarding the video and the conflicting T-Rex Ultra 2 rumors. If this watch lands at $399 with the slimmer bezels and a battery life to match its larger frame, the rugged smartwatch segment just got a lot more interesting.