Tantalum watches are prized for their rarity and durability, thanks to the metal’s resistance to corrosion and striking blue-gray hue. Brands like Audemars Piguet and Hublot have used tantalum in luxury timepieces, offering a unique alternative to platinum or titanium. Its high density provides a satisfying heft, while its scratch-resistant surface ensures longevity. Though challenging to machine, tantalum’s exclusivity and sleek finish make it a coveted choice for high-end watch collectors.