Arnold & Son have installed their large moon in the night-sky that forms the dial of this exceptional time-piece. In a large aperture, a disc turns to show us the age of the heavenly body, the appearance of its crescent and its light. This moon is crafted in mother-of-pearl, its shadows are hand-painted and it is coated with Super-LumiNova. In the daylight, it is almost white. In the dark, it lights up from within and takes on a new aspect, with details emerging. Further along on this disc, the constellation has been created using the same methods.
Arnold & Son continue to make the most of the infinitely varying textures nature has to offer. After obsidian and aventurine quartz, it is specular haematite that has been selected for making the dial of this Perpetual Moon. This variety of haematite is in laminated form, with layers that are naturally smooth and shiny. As with all haematites, due to its iron composition there are silvery flakes in its totally black mass. These glittering specks have also been incorporated into the doublefaced alligator-skin strap, the outer face of which is black, flake-speckled and embellished with stitching in veritable platinum (Pt950) thread.
But the unique and exclusive signature of this limited series is the buffalo with immense horns standing, imposingly, at 6 o’clock. It is a miniature gold sculpture featuring the animal in a majestic posture. In the background is a scenery of multi-storey pagodas, hand-painted with gold powder. Their windows have also been painted with Super LumiNova. Thus at night-time, these temples are lit up from the interior and the Perpetual Moon takes on an inhabited aspect.
Like all the movements used by Arnold & Son, the calibre A&S1512 was entirely developed, produced, assembled, decorated, adjusted and cased up in the brand’s Manufacture in La Chaux-de-Fonds. This calibre is based on a large barrel with an oscillation frequency of 3 Hz, giving a 90-hour power reserve. Last but not least, the moon-phase display of this movement will remain accurate for 122 years before deviating by one day from the actual appearance of the moon in the night-sky.