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Arnold & Son presents Luna Magna Platinum (meteorite and opal) – Luxe Infinity

Arnold & Son coordinated the materials and complications of this Luna Magna Platinum model. It is a Haute Horlogerie timepiece with an astronomical and spherical moon, fitted with a sand-colored PVD-treated meteorite dial housed in a platinum case (Pt 950). To complete the cosmic character of this limited series, the shadow part of the moon is also composed of meteorite. The Luna Magna Platinum, the ultimate gesture of harmony, radiates a particular brilliance at night thanks to its lunar hemisphere and its opal sub-dial to which Super-LumiNova has been added…. The fabric of the stars was born!

The changing moon is this source of inspiration for constant renewal for Arnold & Son. Thus, the largest and most spectacular of all watchmaking lunar satellites begins a new cycle with the Luna Magna Platinum. Surrounded by a satin strapping, the hour and minute sub-dial is sculpted in white opal, a fine stone known for its purity and sophistication which perfectly complements the complication. Luna Magna. The off-centre position of this display leaves the dial free, which is adorned with a large sand-coloured meteorite disc. The 3D moon at 6 o’clock is carved from the same meteorite and Cacholong opal with properties to be carved. Finally, the sober brilliance of the platinum case confirms the elegance of this distinctive edition limited to 28 pieces.

A moon landing

Arnold & Son selected a meteorite of the octahedral class and, when worked on, revealed “Widmanstätten patterns”, those perfectly recognizable crisscrossing and jagged structures. The PVD treatment as well as gray-beige stardust enhances the striking geometric figures thus finding a great harmony with the astronomical complication of Luna Magna.

Different materials catch the light and give this timepiece a multitude of faces. The platinum shimmers with an icy luster, mixed with the iridescence of the meteorite and the milky whites of the various opals. Arnold & Son favored these gems because their porcelain tint evoked the color of the moon, but also because their properties allowed the addition of Super-LumiNova, invisible during the day, and glistening with a blue-green radiance at night.

A benefit

The Luna Magna Platinum is based on the A&S1021 movement, which was entirely developed, machined, assembled and adjusted in the workshops of the Arnold & Son manufacture. This movement was designed around the lunar star, it has manual winding, a 90-hour power reserve and a regulator clocked at 3 hertz. On the caseback side, the movement provides a secondary indication of the moon’s age, with an easily legible scale intended for fine adjustment.

The complexity of this mechanism is also based on its fidelity to astronomical reality. In fact, a full lunar cycle lasts 29 days, 12 hours, 44 minutes and 2.8 seconds. The manufacture has managed to approximate it in such a way that it would take 122 years for this movement to accumulate a day difference between its display and the celestial reality. An error that is easy to correct because the moon function of the Luna Magna Platinum is directly accessible from the crown. Arnold & Son’s complete mastery of watchmaking technology gives it this practicality.

Technical sheet

Luna Magna Platinum (meteorite & opal)

Functions hours, minutes, astronomical moon phase (correction of one day every 122 years), moon phase indicator on the back Movement Caliber A&S1021, hand-wound mechanical –Stones 35 – Diameter 37.60mm – Height 12.00 mm with 3D moon (4.75 mm without moon) – Power reserve 90 hours – Frequency 3 Hz / 21,600 vph – Finishes platinum : beaded. bridges : Côtes de Genève radiant, chamfered. wheels : circular satin finish. screw : blued and chamfered, polished heads. moon phase indicator : circular satin Dial meteorite, sand PVD treated. hour dial : white opal added from Super-LumiNova. enhancement : sand PVD treated Moon 12.00 mm in diameter, sand PVD treated meteorite and Cacholong opal added Super-LumiNova Housing Matter platinum (Pt 950) – Diameter 44.00mm – Thickness 15.90 mm (with glass) – Glass box sapphire, double-sided anti-reflective treatment – Back box sapphire crystal, anti-reflective treatment – Sealing 30 meters / 100 feet Bracelet Matter gray alligator leather, orange alligator leather lining, hand-sewn – Loop folding clasp, platinum (Pt 950) and titanium. Reference 1LMAX.Z01A.C233C Limited edition 28 pieces Retail price Switzerland CHF 70,900 including tax (subject to change).

André Tirlet