Two new iterations of the Arnold & Son Perpetual Moon in a 41.5 mm case with a white mother-of-pearl moon under a midnight-blue sky. Presented in 18K red gold —unlimited production— and in platinum —limited edition of 28 pieces, their dial features a unique motif with stellar rays. For this new iterations, the Perpetual Moon 41.5 mm cases have been redesigned. The lugs have been simplified so that instead of their original cross shape, they now present a tauter form of plunging bars with beveled ends.