Berthet Agilis reference H43RETRO with retrograde minutes
The Agilis by Berthet is based on a classic hand-wound movement that is modified in-house to create the retrograde minutes display at the top of the dial. Berthet perform an operation similar to that performed by Vincent Calabrese with his company Nouvelle Horlogerie Calabrese: they use standard ETA/Unitas movements and modify them to do something…