Sapphire watches have come a long way. This type of timepiece has been long coveted by many a horological fan whose been enamored with the see-through casing. The process itself though, is quite the hassle, which also accounts for why watchmakers can’t afford to make it with any lasting regularity. But many, including Richard Mille, Hublot, and H. Moser & Cie., have risen up to the challenge
You can check out more on this story over at Men’s Folio.