The Spellbinding ArtyA Purity Moissanite Curvy Tourbillon Floating in a golden, luminous moissanite case with rainbow prisms, ArtyA’s Curvy Tourbillon is a sight to behold. ArtyA is an independent Geneva-based brand founded by Yvan Arpa in 2009, best known for turning unconventional, often shocking materials, into fully wearable watches. The brand’s latest excursion in the vast jungle of materials...