IWC, Portuguese Series, Model: IW500701, Automatic winding, 18K red gold, silver-white matte dial, three-dimensional Arabic numeral hour markers; small seconds hand at 9 o'clock, 7-day power reserve display at 3 o'clock (red scale indicates the remaining power), large date window at 6 o'clock, this is the iconic three-eye symmetrical layout of the Portuguese series, dual tension boxes provide 7-day long power supply, stop seconds function is convenient for precise time adjustment, the transparent back cover allows you to admire the finely engraved movement.