Formex has formally introduced what is likely to be at or near the top of many of our “Watch of the Year” lists when 2026 is all said and done. Long a brand synonymous with squeezing an absolutely insane amount of value from every dollar spent, the new Aria is Formex’s most ambitious watch to date, by a wide margin. We got a look at the Aria during Watches & Wonders week while Formex exhibited at Chronopolis, and then again at Windup San Francisco a few weeks later, and we remain impressed with what the brand has accomplished. This is a big step forward for them on a number of fronts.
The Aria is an integrated bracelet sports watch that is also ultra-thin and uses the brand’s first manufacture movement. It makes sense, I think, to start with the case and bracelet, because they are immediately striking to hold and wear when you first experience the watch. The Aria is 40mm in diameter and crafted from titanium, with a tapered bracelet that has meticulously hand finished elements throughout. The total case height comes to just 6.9mm, and a close examination of the case, bracelet, and how they are integrated to one another reveals an intense attention to detail on the part of Formex and their design team. The Aria seems to understand what makes an integrated bracelet sports watch really work, which is a continuity of form from the case to the bracelet, and all the way to the clasp. They are integrated in the truest sense of the word, with matching finishes and tight tolerances that make the whole piece feel as one.
The dial, too, feels like it’s integrated perfectly with the rest of the watch. According to Formex, it is stamped from a single piece of brass, lacquered, and finished with a matte surface. The idea here was to create a “sculptural” look, which is emphasized by the curvature of the dial around each hour marker, leaving the impression that they are resting within a soft surface. Three dial options are available at launch: Selva Green, Ardesia Grey, and Denso Blue.
The caliber, dubbed the FX01, is built exclusively for Formex by Horage. It’s an automatic movement built around a micro-rotor (which accounts for its impressive thinness of just 2.9mm) and has an impressive 72 hours of power reserve on a full wind. The micro-rotor is tungsten, a material whose density and weight should dramatically increase winding efficiency (Formex claims that one hour on the wrist can generate up to ten hours of power reserve).
The FX01 has a number of other advanced features as well. For example, it incorporates a flexible geartrain pinion designed to eliminate backlash when setting the watch. This is a common problem in many movement (including some very high end and expensive movements) that results in “free play” between gear teeth when adjusting the hands. If you’ve ever had the experience of moving the crown just slightly and not seeing the minute hand move in correspondence to that crown action, you’re experiencing this phenomenon. Eliminating that entirely, according to Formex, results in a more refined experience whenever the crown is used for time setting, and underscores its overall precision (the FX01 is a COSC certified chronometer). The caliber also features a silicon hairspring, escape wheel, and pallet fork, resulting in a regulating system that is entirely anti-magnetic and low friction.
The most ambitious watch in the Formex’s history also means that the pricing is ambitious as well: the founders edition to be produced in 2026 is limited to a production run of 100 pieces, and priced at $7,900. That is considerably more than the highest priced watch in Formex’s catalog, currently, but it’s honestly hard to think of another integrated bracelet sports watch that can match spec for spec what the Aria is doing. Formex
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