Twenty five years after the original rule breaker, Ulysse Nardin marks the Freak’s jubilee with the Freak S Purple Enamel – the final Freak S in titanium with an enamel hour disc, limited to 50 pieces. It is a fitting coda: radical mechanics paired with patient, old world craft.
The Manufacture caliber UN-251 keeps faith with the Freak’s creed of no hands, no dial, no crown. Time is read by the movement itself – a flying carousel of 373 components that orbits once per hour for the minutes, while a rotating hour disc turns beneath it every 12 hours. Setting is via the bezel with a safety lock at 6 o’clock. Winding is by rotating the caseback, which feeds the patented Grinder system.
Architecture is the point. Two oversized silicon oscillators, each inclined at 20 degrees, beat at 2.5 Hz and are averaged by a vertical differential said to be the world’s smallest. Built on ball bearings, it tames the twin regulators for greater stability. Roughly 95 percent of the mechanism is in motion across six gear planes, which makes the watch a kinetic landscape rather than a static dial.
Ulysse Nardin’s silicon and DIAMonSIL know how is everywhere: in house balance wheels, hairsprings, and diamond coated silicon escapements built to shrug off friction and magnetism. The low frequency paired with the Grinder’s high efficiency yields a 72 hour reserve, respectable when you are feeding two hearts.
The artistry is as deliberate as the engineering. The purple hour disc is guilloché flinqué enamel, made at Donzé Cadrans. Stamped in white gold for thermal stability, enamel is applied in fine layers and fired around 800°C, then hand polished to depth. It is not mere ornament – the disc is a moving component with tight tolerances – which makes its calm surface all the more impressive.
The 45 mm titanium case keeps mass down and resilience up, with bezel, locker, mid case, and back all in the same metal. Water resistance is 30 m. A purple calf strap with white stitching and titanium folding buckle completes the package. Each watch is assembled start to finish by a single Grandes Complications watchmaker. It shows.
Specifications in brief: automatic UN-251 with flying carousel, dual 20 degree inclined silicon oscillators, DIAMonSIL escapements, vertical differential on bearings, Grinder automatic winding, 373 components, 33 jewels, 2 x 18,000 vph, 72 hour power reserve. Price: 153′000 CHF (8.1% VAT incl.), 171′200 EUR (21% VAT incl.), 142′010 GBP (20% VAT incl.), 174′400 USD (tax excluded). Reference 2513-500LE-7AE-PURP/OA.
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