The upper and lower oblong dials are IWC Portuguese series watches. The Portuguese series is positioned as a classic formal watch. It is one of IWC's oldest and most well-known product lines. It demonstrates the brand's technical strength in the field of advanced watchmaking. With the release of the 40mm Portuguese small three-hand watch, the series has achieved a jump in movement from basic models to complex models. Portugal becomes the brand’s first and only series in which all models on sale use in-house movements.