First introduced in 1997, the UR-101 helped establish Urwerk’s unconventional approach to displaying time, alongside the UR-102. Nearly three decades later, the model still serves as a platform for new variants. Following the hand-painted guilloché bronze-cased T-Rex (2025) and this year’s gem-set Diamond Sky editions, the new UR-101 Green Mamba is more restrained, relying on […]