Program aims to educate young consumers about mined stones’ positive qualities.
All 24 items found buyers in first live auction of non-gendered bejeweled vintage timepieces.
Face to Face: The auction house’s head of watches for the Americas reflects on the latest trends and connoisseurs’ most coveted models.
Patek Philippe and Rolex pieces tie for spot.
Environmental charity notes improvement — but believes the industry has a way to go.
Timepiece by renowned horologists George Daniels and Roger Smith leads Sotheby’s Geneva auction.
Sales growth reflects expansion of network and strong demand for luxury timepieces.
A new book tracks developments through the decades.