J.N. Shapiro Unveils Infinity Series Radiant Tantalum Monopusher Chronograph with La Joux-Perret 5000 Movement

Jun 16, 2026, 5:57 PM

J.N. Shapiro, a leading figure in American independent watchmaking, has consistently pushed boundaries in high-end horology. From its origins focusing on intricate guilloché dials, the brand has evolved significantly, demonstrating a commitment to advanced mechanical production in the United States through projects like Resurgence. The Infinity Series further exemplifies this innovative spirit, allowing exploration into unique materials and diverse production approaches. The latest offering, the Infinity Series Radiant, merges elements from the aerospace industry with traditional craftsmanship, creating a distinctive timepiece that captures attention.

Embrace the Radiance: Where Aerospace Meets Horological Artistry

The Ascent of J.N. Shapiro: A Visionary in American Watchmaking

In a remarkably short period, J.N. Shapiro, under the leadership of Josh Shapiro, has risen from a specialist in intricate guilloché dials to a pioneering force in contemporary American watchmaking. Initiatives such as the Resurgence project have proven the viability of producing sophisticated mechanical timepieces domestically, marking a significant return for high-end horology in the United States. The ongoing Infinity Series serves as a testament to the brand's dedication to exploring exotic materials, unique aesthetic concepts, and innovative manufacturing strategies.

Introducing the Infinity Series Radiant: A Fusion of Innovation and Craft

The newest addition to this acclaimed collection, the Infinity Series Radiant, embodies a compelling blend of cutting-edge materials and classic design. This watch draws inspiration from the aerospace sector, incorporating advanced substances like tantalum and zirconium, alongside authentic Gibeon meteorite elements. At its heart lies a slender monopusher chronograph movement, a calibre recognized for its elegant engineering and reliable performance.

Expanding Horizons: J.N. Shapiro's Growth and Inspiration

The launch of the Radiant coincides with a pivotal moment for J.N. Shapiro, highlighted by the expansion into a new, expansive 650-square-meter facility in Torrance, California. This growth underpins the brand's dual commitment: developing meticulously crafted American-made timepieces and further innovating within the Infinity Series. The Radiant's design, reflecting its Southern California roots, mirrors the region's prominent aerospace industry, symbolizing both light and radiation through its material selection.

The Art of the Case: Tantalum, Zirconium, and Meteorite

The timepiece features a case meticulously fashioned from brushed tantalum, a metal renowned for its impressive density, exceptional corrosion resistance, and a striking blue-grey hue. Its dimensions are thoughtfully constrained for a chronograph, measuring 38mm in diameter, 9.6mm in thickness, and a 43.9mm lug-to-lug, ensuring a comfortable fit. With a water resistance of 50m, it combines durability with refined aesthetics. The interplay of tantalum, zirconium, and Gibeon meteorite creates a watch that beautifully marries ancestral artistry with modern technological advancements.

Dial Variations: Meteorite's Cosmic Charm vs. Zirconium's Guilloché Elegance

The Infinity Series Radiant offers two distinctive dial configurations. The first, more dramatic option, showcases a central display made from authentic Gibeon meteorite, complemented by a meteorite-finished 30-minute counter featuring guilloché patterns. A heat-blued zirconium chapter ring, engraved after its thermal treatment, encircles these elements, with matching heat-blued hands completing the mesmerizing visual. The second variant opts for a fully guilloché blued zirconium dial with a coordinated sub-counter, where polished steel hands provide a sharp contrast against the rich blue tones achieved through the heat-treatment process.

The Heart of the Watch: The La Joux-Perret 5000-4 Movement

Driving this exquisite watch is the hand-wound La Joux-Perret 5000-4 monopusher chronograph calibre. This movement, notable for its compact build and refined architecture, has a distinguished lineage tracing back to the chronograph designs by François-Paul Journe and Denis Flageollet during their tenure at THA in the 1990s. Its evolution through Jaquet SA and eventual integration with La Joux-Perret has made it a celebrated choice for its elegance and functional appeal, enabling the Radiant to maintain its slim profile while delivering the sophisticated mechanics of a column-wheel monopusher chronograph.

Technical Prowess: Precision and Performance

The calibre boasts a 30-minute chronograph counter, operates with 23 jewels at a frequency of 21,600 vibrations/hour, and provides a power reserve of 38 hours. While not a recent innovation, the La Joux-Perret 5000-4 remains a highly sought-after hand-wound monopusher chronograph movement due to its esteemed heritage, compact design, and relative scarcity, offering a blend of performance and historical significance.

Exclusivity and Acquisition: Details for Collectors

The J.N. Shapiro Infinity Series Radiant will be released in an initial limited production of 75 pieces, with anticipated deliveries commencing in Q2 2026. Each watch will be presented on an alligator leather strap, with an optional AHA tantalum bracelet available for separate purchase. Priced at USD 35,900 before taxes and duties, the tantalum bracelet adds USD 12,950 to the investment. Further details and ordering information, requiring a 50% deposit, can be found on the jnshapirowatches.com website, inviting enthusiasts to acquire a piece of this remarkable horological innovation.