Arnold & Son Nebula Lady

The Nebula Lady from Arnold & Son is a fine skeleton timepiece exclusively made for ladies who appreciate fine mechanical watch making.

Besides the evident careful attention to balance, the powerful allure of the Nebula also derives from the meticulously calculated proportions and ratios of diameter versus height and the size and placement of every gear and wheel.

Rather than being an assembly of disparate components – case, dial, and movement – Nebula was designed from the ground up to be completely holistic, with all components blending harmoniously into one. The “dial” actually acts as a bridge in supporting some of the intricate gearing.

Arnold and Son Nebula Lady watch red gold with diamond set case

The movement bridges − there are no less than ten in this complex caliber, compared to four in a standard watch − form the dial.

More than just a superficial surface coating, the bridges of the Nebula Lady are crafted from solid 18-karat Red Gold, with beveled and polished edges. Set against a silvery palladium-tone base plate, a subtle play between cool silvery tones and warmer gold accents transforms the Nebula’s open display into an alluring and feminine masterpiece of mechanical art.

In the Nebula Lady, the highly legible central hours and minutes hands as well as the small seconds hand are given a black treatment, as are the applied faceted and polished hour markers to provide a bold contrast against the palladium chapter ring surrounding the open movement display.

Arnold and Son Nebula Lady watch in diamond set red gold case

From the dial side, symmetry at top to bottom is provided by the two mainspring barrels, which provide 90 hours of power above, and small seconds plus the oscillating balance wheel below.

Seven of the skeletonized and chamfered triangular 18kt Red Gold bridges with polished edges fixed around the perimeter of the movement and radiating inward offer a contemporary take on traditional English movement architecture.

The 41.5mm red gold case is adorned with 90 brilliant cut white diamonds with a total weight of approximately 0.52 carats, meticulously set onto the bezel. The Nebula Lady comes on a white calf leather strap.

Arnold and Son Nebula Lady watch in red gold case back view

The Arnold and Son Nebula Lady watch is a limited edition of 50 timepieces.

Technical details

Model: Nebula Lady
Limited edition: 50 timepieces
References: 1NEMR.R01A.D139A

Caliber: A&S5101
Manufacture Arnold & Son caliber, fully skeletonized and symmetrical, hand-wound, 24 jewels, diameter 31.50 mm, two mainspring barrels, screwed balance wheel, thickness 4.04 mm, power reserve 90 h, 3 Hz / 21,600 vph, adjusted to 5 positions

Hours, minutes, small seconds

Movement decoration
Solid 18-karat red gold bridges and palladium main plate with haute horlogerie finishing, chamfered bridges with polished edges and brushed surfaces, chamfered wheels with A&S three-spoke design and polished edges, gold chatons, screws with bevelled and mirror-polished heads

Rhodium treated open dial with black indexes

18-karat red gold (5N), 90 brilliant cut white diamonds with a total weight of ~0.52 carats, 41.50 mm diameter, 8.73 mm height, cambered sapphire crystal with anti-reflective coating on both sides, sapphire crystal display case back, water resistant 30 m /100 ft

White calf leather

Recommended Retail Prices
Red Gold case with diamond-set, CHF 31’900 (VAT excl.)


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