Nebula 41.5 Steel

Fonte: Release da marca

A new star

Harmonious, radiant and intense, the Nebula’s skeleton movement reveals a structure in grey and blue tones. It combines steel with a PVD treatment on diametrically opposing bridges for a perfectly chic visual effect.  In addition to being the most symmetrical of Arnold & Son’s watches, it is ultra-thin, at just 8.73 mm. Available with a steel bracelet or a blue rubber strap, the Nebula 41.5 Steel radiates cool and intense elegance.

The first generation of the Nebula established its place in the House’s galaxy. Drawing on the legacy of John Arnold, a new star emerges to join this collection. The Nebula 41.5 Steel introduces different colour treatments, new finishes, and new, even more powerful and attractive details.

Inside and out

The name Nebula was chosen as a reference to the giant cloud of dust and gas in space. Some nebulas emerge from the gas and dust expelled when a dying star, like a supernova, explodes. Other nebulas are regions where new stars start to form. The seven bridges on the dial side of this timepiece radiate from the centre outwards, giving this sculptural movement the impression of a cosmic explosion.

The A&S5201 calibre was specially created for this piece and brings all of its character. It is set apart by its skeletonisation and almost perfect symmetry. The traditional shape of its bridges harks back to John Arnold’s chronometers and their openworked structure accentuates the feeling of lightness in a very mechanistic design.

Two-tone

The bridges of the A&S5201 calibre are palladium-treated, giving a sheen that echoes the steel case. The main plate, barrel covers, and dial flange have been coloured with a blue PVD treatment. The Nebula 41.5 Steel is fitted with either a three-link steel bracelet or a ballistic-type rubber strap with a woven-look surface. The two-tone aesthetic adorns the interior and exterior, the substance of the watch and the details. 

Fully equipped

The A&S5201 calibre was conceived as a skeleton mechanism instead of being modified by removing material.  The result is a completely clear and legible display on both sides. One by one, the components reveal their subtle finishes, adopting strict, fluid forms. The sum of these details and the overall approach make this calibre a special case in the exclusive circle of skeleton movements. For instance, it presents a total power reserve of 90 hours, only requiring it to be hand-wound every three-and-a-half days. At 4 mm thick, the calibre contributes to the piece’s overall slimness. The Nebula 41.5 Steel measures 8.73 mm thick, making it a natural member of the ultra-thin category.

High altitude

The A&S5201 calibre has also undergone several developments in addition to the new blue colouring. The balance wheel is now rhodium-plated to match the gear train and perfectly coordinate with the small seconds placed opposite. The main plate, particularly its reverse side, features “Rayons de la Gloire” finishes, a surface treatment similar to sunray-brushing in a wave shape. Arnold & Son rises magnificently to the challenge of sending its Nebula 41.5 Steel into a new orbit.

Nebula 41.5 Steel

Technical specifications

Functions                             hours, minutes, small seconds

Movement

Calibre                                   A&S5201, hand-wound mechanical

Jewels                                   24

Diameter                                31.50 mm

Thickness                              4.04 mm

Power reserve                        90 hours

Frequency                              3 Hz / 21,600 vph

Decoration                             main plate: blue PVD, “Rayons de la Gloire” guilloché

                                             barrels: blue PVD treatment and sunray-brushed

                                             bridges: palladium treatment, polished angles and satin-finished surfaces

                                             balance wheel: rhodium-plated

                                             wheels: circular-grained and bevelled

                                             screws: bevelled and mirror-polished heads

Dial                                       blue PVD flange, rhodium-plated appliqués

Case

Material                                 stainless steel

Diameter                                41.50 mm

Thickness                               8.73 mm

Crystal                                   domed sapphire, anti-reflective on both sides

Case back                              sapphire crystal, anti-reflective

Water-resistance                     30 metres / 100 feet

Strap

Material                                 stainless steel or blue “ballistic” rubber

Buckle                                   folding clasp or pin buckle, stainless steel

Reference                              stainless steel strap: 1NEAS.U01AK.002S

                                             rubber strap: 1NEAS.U02AS.134D

Retail price Switzerland        stainless steel strap: CHF 16,900 tax included (subject to change)

                                             rubber strap: CHF 15,700 tax included (subject to change)          

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