Further embracing the watch’s dark tones, buyers will receive the Ultra-Chron Carbon in a bespoke black box. For more information on the Longines Ultra-Chron Carbon or the Ultra-Chron lineup ...

The Ultra-Chron story began in 1966 when Longines introduced the world's first mass-produced high-frequency precision watch. This groundbreaking timepiece, known as the Ultra-Chron ref.