Nebula 40 Steel (Black Rubber Strap)

The Arnold & Son Nebula 40 Steel, available in Golden and Black Editions, redefines skeletonised watchmaking by merging aesthetics with technical refinement. The 40 mm stainless steel case features a modern design with softened flanks, a rounded bezel, and plunging lugs. Its 9.10 mm thickness strikes a perfect balance, enhancing the watch's contemporary elegance. Central to the timepiece is the hand-wound A&S5201 calibre, a movement uniquely developed for the Nebula collection. Its architecture draws inspiration from stellar nebulae, with seven skeletonised bridges forming a star-shaped layout. These functional bridges contribute to the watch's symmetrical, open-worked design and are precisely crafted with palladium treatment, polished edges, and satin-finished surfaces, reflecting Arnold & Son's dedication to fine craftsmanship.

The A&S5201 calibre delivers an impressive 90-hour power reserve, powered by two series-connected barrels, a rare feature in skeleton watches, operating at a frequency of 3 Hz (21,600 vph) and ensures consistent timekeeping through its star-aligned gear train. The movement's intricate details, such as the gold or black treated mainplate, sunray-brushed barrel covers, and rhodium-plated balance, add to its sophisticated appearance. The Nebula 40 comes in two initial versions: a black-treated edition with various strap options and a limited edition of 88 pieces featuring gold accents. Both models include a domed sapphire crystal with an anti-reflective coating for exceptional clarity and offer water resistance of 3 bar (30 meters), harmonizing technical excellence and artistic design in every element.