ARNOLD & SON – CHRONOMETRY Nebula 40 Steel Ahmed Seddiqi 75th Anniversary Special Edition - 2025
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An exceptional skeleton timepiece
Arnold & Son and Ahmed Seddiqi celebrate the retailer’s 75th anniversary with a special edition, limited to 10 pieces and titled the Nebula 40 Steel, whose skeletonised calibre is impressive for its harmonious layout and distinctive style.
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With a 40 mm steel case, remarkable finishes to the movement, and a unique abundance of technical details, this design is outstandingly elegant and powerful. The Nebula stands out from all other skeleton watches. Its structure embodies horology, and its style expresses unique elegance.
A visionary partner
Founded in Dubai in 1950, Ahmed Seddiqi has become a leading name for watches in the Middle East, embodying passion, know-how and legacy. The family-run retailer has built a unique heritage, bringing together the world’s major watchmakers and cultivating a role as an ambassador for fine watchmaking in the region.
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This edition pays tribute to this story of excellence and celebrates the special relationship between Arnold & Son and the Seddiqi family.
Noble colours
This anniversary edition can be worn with a choice of three bracelets: three-link steel, garnet calfskin and technical fabric in the same colour.
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The skeletonised main plate and gold-finished barrels complement the Eastern Arabic numerals on the garnet-hued flange. The palladium-plated bridges echo the steel of the case, creating an equilibrium between materials and colours.
Seven bridges
Designed with purity of line in mind, the Nebula 40 Steel features a rounded flank and deep lugs that highlight the essential: its signature movement.
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Inspired by nebulae and their spiral arms, the architecture of the A&S5201 calibre is based on seven functional and harmoniously arranged skeletonised bridges. Facing the centre, they present a radiating and transparent symmetry that forms the collection’s essence.
At the heart of the star
Beyond its dazzling appearance, the calibre is attractive for its precise finishes. The bridges, hollowed out and polished along all edges, present alternating satin-finish surfaces and shiny edges. Every single component contributes to creating a structured and steady rhythm.
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On the case back, two intersecting ogival bridges support the functional organs, while the “Rayons de la Gloire” finish elegantly reflects Arnold & Son’s aesthetic.
Power and endurance
Equipped with two large series-coupled barrels, the Nebula 40 Steel offers a remarkable 90-hour power reserve, rare in skeletonised pieces but typical of Arnold & Son calibres.
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Their energy drives the entire gear train, which follows the star-shaped arrangement of the bridges. The balance at the end beats at a frequency of 3 Hz, demonstrating this exceptional movement’s vitality.
A celebrated alliance
With this Nebula 40 Steel, Arnold & Son pays tribute to Ahmed Seddiqi’s 75-year existence, a symbol of watchmaking legacy and passion.
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This limited edition embodies the encounter between two Houses united by the same ethos: that of excellence, creativity and promotion of fine timepieces.
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More than a watch, it seals an enduring bond between the Swiss Manufacture and its visionary partner in Dubai.
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TECHNICAL SPECIFICATIONS
Collection: CHRONOMETRY
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Reference: 1NEGS.U01A.K0243S
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Material: Stainless steel
Diameter: 40mm
Thickness: 9.10 mm
Crystal domed sapphire, double-sided anti-reflective coating
Case back sapphire crystal, anti-reflective coating
Water-resistance: 3 bar (30 metres /100 feet)
Dial and hands
Skeletonised dial
Garnet flange, gold-finish Eastern Arabic numerals
Movement
Calibre A&S5201
Manual winding movement
Diameter: 31.10 mm
Thickness: 4.18 mm
Frequency: 3 Hz, 21'600 vph
Number of jewels: 24
Power reserve of 90 hours
Decoration
main plate: gold finish, “Rayons de la Gloire” guilloché
barrel covers: gold finish, sunray brushed
bridges: palladium-plated, polished edges and satin-finished surfaces
balance: rhodium-plated wheels: circular-grained and chamfered
screws: chamfered, with mirror-polished heads
Functions/Indications
Hours, minutes, small seconds
Strap and buckle
Stainless steel, garnet calfskin or garnet technical fabric
Buckle: stainless steel, folding clasp on steel bracelet and pin on leather and fabric strap
🔰Edition ✅Only ❱❱❱ 10 Pieces
🔴 Price: 101.000 AED (subject to change) / €23.620 incl. taxes (steel bracelet)💰
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Press releases - 2025
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