Arnold & Son is a premier Swiss luxury watchmaking brand known for its creativity, authenticity, and aesthetics that pay homage to the pioneering work of John Arnold.

Founded in London in 1764 by John Arnold, the brand is renowned for its mastery of complicated watchmaking functions and perpetual innovation. It continuously reinvents itself to solve the challenges of timekeeping, just as John Arnold did in the 18th century through innovations like the compensation balance and helical balance spring.

Arnold & Son timepieces are instantly recognizable for their exceptional craftsmanship and attention to detail. Every aspect of their design, from the three-dimensional architecture of movements to guilloche dials, honors classic horology while showcasing contemporary finesse. Special functions like deadbeat seconds and dual time zones directly reference John Arnold's innovations.

As an independent manufacutre, Arnold & Son creates all of its approximately 20 calibers in-house at its sister manufacture La Joux-Perret. This underscores its authentic commitment to fine Swiss watchmaking tradition and perpetuating Arnold's legacy.

Limited production runs ensure exclusivity, with timepieces priced fairly for their excellence. Arnold & Son stands out through balanced, nuanced designs that delight both the eyes and mind. Its collections appeal to discerning customers seeking unique, heirloom-quality pieces representative of Britain's rich history in horology.

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Constant Force Tourbillon 11

The Arnold & Son Constant Force Tourbillon 11 is a 41.5 mm 18‑carat yellow gold limited edition of just 11 pieces, created to conclude the celebration of John Arnold’s 260‑year legacy and honour his historic friendship and technical exchange with Abraham‑Louis Breguet. Its immaculate white Grand Feu enamel dial reveals a rare constant‑force mechanism on the front, while the tourbillon regulator is displayed through the sapphire caseback in an architecture inspired by Breguet’s earliest tourbillon built on Arnold’s marine chronometer No. 11. Powered by the hand‑wound calibre A&S5219—developed entirely in La Chaux‑de‑Fonds—it features dual barrels providing a remarkable 100‑hour power reserve and a patented constant‑force system ensuring stable energy delivery. The watch is completed with a midnight‑blue alligator strap, domed sapphire crystals with anti‑reflective coating, and 30‑metre water resistance, combining Enlightenment‑era horological history with modern haute‑horlogerie engineering.