The Extra-fort collection has always had a prominent position within the Eberhard & Co. universe. Launched in the 1940s, over these eighty years, this symbolic collection, has always been enriched and developed, by preserving its charm intact. Extra-fort Grande Taille Roue à Colonnes is a very sophisticated version from a mechanical point of view with with the column-wheel chronographic movement. The typical elegance and great personality of Extra-fort remain unchanged: this watch has a 41 mm steel case that is water resistant to 50 m and is offered in different dial variants, all with » frappée” and «azurée» counters, and complemented by alligator straps or the «Chaque» steel bracelet.