IWC, Portuguese Series, Model: IW500705, Automatic Mechanical, Case Diameter: 42.3mm, Material: Stainless Steel, Complete Set. At 9 o'clock: Small seconds dial, independent seconds hand for timing; At 3 o'clock: 7-day power reserve display, red scale indicating remaining energy; At 6 o'clock: Large-sized date window, clear reading; Symmetrical white dial, blue steel enamel-coated hands + blue minute track markings; Dual tension boxes achieve 7-day ultra-long power supply, not wearing on weekends it will not stop; The transparent back cover allows you to admire the polished Geneva pattern, blue steel screws, and 18K gold balance wheel.