Clear As Day: When Watches Reveal All With Sapphire Cases

While gold, steel, and platinum are mainstay metals for watch cases, modern watchmaking has welcomed plenty of other materials in recent years. From bronze to titanium to ceramic and more, offering familiar models in new materials has been a popular approach of many brands looking to offer fresh iterations of old favorites. And it doesn’t get fresher than a crystal clear case in full sapphire—a material once reserved as the glass protecting the dial or movement. Feast your eyes on four extraordinary examples of watches with sapphire cases.

By Adrienne Faurote