Arnold & Son

The Arnold & Son Perpetual Moon 41.5 Platinum “Fern Green” edition is a stunning tribute to moonlight and fine watchmaking. Limited to just 28 pieces, it pairs the cool tones of platinum, fern green, and midnight blue to create a striking design.

Inspired by the lush gardens of Cornwall, John Arnold’s birthplace, the dial features a “Stellar Rays” finish, creating a shimmering effect through intricate engraving and layers of lacquer. At its heart is a luminous mother-of-pearl moon, glowing with Super-LumiNova at night, set against a textured midnight blue sky.

Adding to its celestial theme, the hand-painted constellations of Ursa Major and Cassiopeia, enhanced with luminous material, surround the moon. These elements honor Arnold’s maritime legacy, with Polaris, the North Star, reflecting its historic role in navigation.

Powered by the manually wound A&S1512 calibre, the Arnold & Son Perpetual Moon 41.5 Platinum Fern Green achieves exceptional accuracy, tracking the lunar cycle with a deviation of just 24 hours every 122 years. Developed entirely in-house, the movement has two barrels, a 3 Hz frequency, and a 90-hour power reserve.