
The new Blast lights up in a rainbow of invisibly set sapphires. The new Blast Sparkling Rainbow is a limited edition of eight watches that takes the Blast’s uncompromising form and elevates it with a dazzling array of coloured sapphires to create one of the most spectacular watches ever to emerge from Ulysse Nardin’s Le Locle Manufacture. It is decorated with 211 coloured sapphires invisibly set into the case, bezel, crown, dial and clasp, totalling 13.33 carats. Together, these stones transform the Blast, so that as well as being an avant-garde design and technical tour de force, the Blast Sparkling Rainbow also becomes a high-jewellery masterpiece.
THE TRADITION REINVENTED
The Blast collection exploded onto the scene in 2020, since when it has become a symbol of Ulysse Nardin’s unconventional, endlessly disruptive approach to mechanical watch design and movement creation.

Caliber UN-172
Self-winding
Classic or unconventional, simple or complex, for men or women, our collection of calibers is one of the most extensive and diverse in the industry. It is based on a culture of innovation, independence and quality that has made Ulysse Nardin one of the most advanced brands in creative watchmaking.
A complex composition
- Number of parts: 137
- Number of jewels: 25
- Total diameter (mm): 37
Impressive precision & longevity
- Frequency (Hz): 2.5
- Frequency (vph): 18000
- Power Reserve (H): 72
- Functions: Hours and minutes. Flying tourbillon.
- Escapement: Silicon
The Blast Sparkling Rainbow becomes a further illustration of Ulysse Nardin’s deep savoir-faire and love of traditional handcraftsmanship. And as with many watches that came before, it continues the company’s watchmaking narrative: haute horlogerie with a contemporary twist.
METIERS D’ART : MYSTERY SETTING
In keeping with Ulysse Nardin’s perpetual pursuit of excellence, the Blast Sparkling Rainbow’s sapphires were rigorously selected to ensure that each stone would merge seamlessly into the next with sublime insouciance, creating a graceful but spectacular gradient rainbow effect that runs through 360 degrees around the watch’s case, bezel, crown and dial. The result is so effective that the journey through the rainbow colour spectrum becomes almost imperceptible. What appears simple and natural is realised only through a painstaking, highly disciplined search for the right stones.
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