50 Brands of Basel: Arnold and Son


Arnold & Son last year embraced the concept of the oversized moon phase with its HM Perpetual Moon but has now taken it one step forward with its new 18ct red gold HM Double Hemisphere Perpetual Moon.

By further opening out the dial to create two apertures, the 29mm moon phase disc is able to accurately illustrate the phases of the moon as seen from both northern and southern hemispheres of the globe using two three dimensional moons, which are stamped before being inserted into the disc.


The hand wound, fully integrated moon phase movement will remain accurate for 122 years and by using twin barrels, offers 90 hours of power reserve.

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