Complete set, IWC, Portuguese series, model: IW371616, automatic winding, stainless steel, case diameter: 41.0mm The dial color scheme: The gradient wine red lacquered dial has a rich and retro color. Under the change of light, it shows a gradient effect of light and shade. It is a limited, rare and popular color scheme with extremely high recognition. Classic Portuguese chronograph layout: 41mm diameter, dual small chronograph sub-dials structure - 30-minute chronograph sub-dial at 12 o 'clock, independent small seconds sub-dial at 6 o 'clock; The outer ring has a speed scale, with silver Arabic numeral hour markers and willow-leaf hands. Case and strap: Polished brushed stainless steel case, paired with a deep brown leather strap lined in wine red. The long and slender lugs fit the wrist perfectly. The crown at the 3 o 'clock position on the right side + two chronograph pushers at the top and bottom. Product positioning: A benchmark for formal timekeeping. The wine red dial is mainly targeted at festival and gift-giving scenarios. It has a more atmospheric visual effect than the black / white dial and is suitable for formal occasions such as banquets and weddings.