Ulysse Nardin Gives the Freak S a Purple Enamel Dial

Ulysse Nardin’s Freak has always lived slightly outside the usual rules of watchmaking, and the Freak S pushes that attitude into its most architectural form.

The new Freak S Purple Enamel brings a vivid purple treatment to the model’s already unconventional mechanics, pairing a titanium case with a moving display that makes the movement itself the show.

Limited to 50 pieces, it’s a watch for collectors who like their complications visible, kinetic and difficult to mistake for anything else.

At a glance

• Ulysse Nardin has introduced the Freak S Purple Enamel as a 50-piece limited edition.
• The watch combines a 45mm titanium case with a purple guilloché-flinqué display and the automatic UN-251 carousel movement.
• Pricing is CHF 153,000, EUR 171,200 or USD 174,400.

Purple enamel gives the Freak S a sharper visual identity

The Freak S Purple Enamel follows earlier Freak S editions with turquoise blue and ruby red métiers d’art treatments, but this version leans into a darker, more electric mood.

Its display is produced with guilloché-flinqué, then finished with a semi-transparent purple lacquer that allows the engine-turned structure beneath to remain visible.

That matters on a Freak because the dial isn’t just decorative scenery.

The discs form part of the movement and remain in motion, reinforcing the collection’s long-standing rejection of conventional watch architecture.

The 45mm case is titanium, with a stated thickness of 16.65mm, giving the watch a technical frame for what is still a highly artisanal surface treatment.

Ulysse Nardin’s in-house enamel specialist Donzé Cadrans, acquired by the brand in 2011, is associated with the métiers d’art work used for these recent enamel-led Freak S executions.

A crownless case that keeps the Freak idea intact

The Freak S Purple Enamel keeps one of the collection’s most recognisable traits, which is the absence of a traditional crown.

Time is set by unlocking the safety lock at 6 o’clock and rotating the bidirectional bezel.

Winding is handled through the caseback, preserving the clean case profile and the mechanical ritual that has helped define the Freak family.

The angular, notched bezel isn’t just a visual signature, then.

It’s part of the interface, turning the case itself into a functional component rather than a container for the movement.

The UN-251 movement remains the main event

Inside is the automatic Manufacture calibre UN-251, a 373-component movement built around the Freak’s signature carousel principle.

The calibre rotates on its own axis once every 60 minutes, with a pointer at the tip of the baguette-shaped movement indicating the minutes.

Instead of traditional hands, the rotation of the movement and its central flying carousel carry the time display.

The Freak S architecture uses two oversized silicon oscillators, each inclined at 20 degrees and set on distinct planes.

Each oscillator uses a silicon balance wheel, balance spring and DiamonSil escapement.

A vertical mechanical differential connects the two regulators and averages their rates, a system intended to help compensate for errors between them.

Ulysse Nardin has described this differential as the smallest vertical differential gear of its kind, and the movement also uses the brand’s patented Grinder automatic winding system.

The construction stretches across six gear planes, compared with the two generally found in conventional mechanical movements, which explains the watch’s unusually sculptural depth.

Details & Specifications

The Freak S Purple Enamel won’t convert anyone looking for discretion, and that’s precisely the point.

It takes the Freak’s crownless, handless, movement-as-display concept and gives it a saturated colour treatment that feels entirely in character for one of modern watchmaking’s most unconventional collections.