Independent Watchmakers · 2026-05-29

Formex Aria debuts an ultra-thin micro-rotor manufacture calibre

The titanium Aria is Formex’s slim integrated-bracelet flagship, powered by the COSC-certified FX01 micro-rotor movement.

By Chronolume digest · Original English summary · Based on Monochrome

Formex Aria Denso Blue front view — The Denso Blue Aria in its ultra-thin titanium case. Formex ↗

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This is a sourced news summary, not a hands-on review. Read the original reporting at Monochrome ↗

What to know

The Aria Manufacture Chronometer marks Formex’s move into an integrated titanium sports watch built around its movement. Its hand-finished Grade 5 titanium case is 40mm wide, 45.45mm long and only 6.9mm thick. Including the matching bracelet, the watch weighs 78 grams. Denso Blue, Selva Green and Ardesia Grey dials use a concave, sculpted surface with applied markers and small seconds at six.

Formex Aria Denso Blue on the wrist — The 6.9mm Aria worn on the wrist. Monochrome ↗

The 2.9mm-thick FX01 automatic calibre was engineered with Horage from the K2 architecture. It combines a tungsten micro-rotor, silicon escapement, COSC certification and a 72-hour power reserve. Water resistance is 30 metres. The 100-piece Founder’s Edition spans all three colours and launched at CHF 5,900, with first deliveries scheduled for September 2026.

Formex Aria sapphire caseback and FX01 movement — The sapphire back reveals the FX01 micro-rotor calibre. Time+Tide Watches ↗

At a glance

Specifications reported by Monochrome
case	Grade 5 titanium; 40mm × 45.45mm × 6.9mm
movement	Formex FX01 automatic micro-rotor, COSC-certified, silicon escapement
powerReserve	72 hours
waterResistance	30 metres
weight	78g including bracelet
limitedEdition	100 numbered Founder’s Edition pieces across three colours
launchPrice	CHF 5,900