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The Arnold & Son Nebula 38 Steel channelizes a rare technical feat into an arresting yet balanced wrist-borne work of art. Within its slender 38mm steel case resides the in-house A&S5101 skeletonized caliber, granting an unparalleled view of its ingenious architecture.
Seven bridges span the movement’s four axes in perfect concentric symmetry, resembling stellar rays emanating from the center. Function wheels, screws, and jewels are arranged in mirrored layouts on opposing sides. Striking geometric forms are etched into the openworked bridges and mainplate beneath the exhibition caseback.
With its limited dial aperture, the Nebula focuses attention entirely on the mechanical spectacle. Housed within the dial flange, the symmetrical balance elements maintain legibility for hours, minutes, and an off-centered small seconds display.
The 90-hour power reserve is remarkably high for a skeletonized design. Winding is intelligently relocated to the caseback for uninterrupted visuals, while still maintaining everyday practicality.
The assembly showcases Arnold & Son’s distinguished finishing techniques. Bridges stand evenly atop the dial yet of varying heights on the reverse, intersected by arched vaulting evocative of Gothic architecture. Contrasting surface textures like circular graining further negate any risk of illegibility.
At just 8.91mm thin, the Nebula presents a new paradigm for technical skeleton watches normally associated with greater thickness. Combined with its approachable 38mm case, the timepiece achieves an ergonomic form perfectly befitting its open design.
True to its namesake, the inverted stellar explosion theme endows the calibre with balanced radial symmetry. The Nebula encapsulates Arnold & Son’s ability to execute technical tour de forces with English ingenuity and Swiss craftsmanship virtuosity. A modern marvel, it redefines what is possible from the genre.
