The Longines Hydro Conquest ref: L3.790.4.66.6 features a 41mm stainless steel case with a ceramic bezel. This model, released in 2023, is powered by the Longines caliber L844.4, which offers automatic winding. It includes a date function and a 24-hour indication for enhanced readability. The watch is presented with a brown dial, providing a distinctive look that complements its robust design.