Arnold & Son once again proves that feminine watchmaking need not sacrifice horological substance for beauty. The new Perpetual Moon 38 White Gold, Aventurine Edition is an 18-piece limited series that combines gem-set elegance with astronomical precision. Its 38 mm white gold case sparkles with 2.66 carats of diamonds, while the aventurine dial shimmers like a starry sky, framing a mother-of-pearl moon disc surrounded by hand-painted constellations. Inside beats the A&S1612, the Manufacture’s smallest calibre, built specifically for the Perpetual Moon 38. Despite its modest dimensions, it offers a robust 90-hour power reserve and a moon phase mechanism of remarkable accuracy, deviating by a single day only after 122 years. It’s a reminder that beneath the diamonds and aventurine lies the same pursuit of precision that defined John Arnold’s pioneering marine chronometers. By daylight, the watch dazzles with its diamond-set case and rich aventurine dial; by night, Super-LumiNova details emerge in an icy blue glow, allowing the celestial theme to take centre stage. It’s this duality, between high jewellery and high horology, that makes the Perpetual Moon 38 Aventurine Edition a standout expression of Arnold & Son’s artistry.