IWC Tank IW503502

IWC Portuguese Perpetual Calendar, Series iw503502 The Portuguese King has a double-sided anti-reflective arched edge sapphire glass mirror and a night blue dial. The display design of the annual calendar is simple and neat, with three independent semicircular windows showing the month, date and day of the week, set between 11 o'clock and 1 o'clock. The small three-hand design, the power reserve tank display at 3 o'clock, and the small seconds dial at 9 o'clock. The foreign aid track minute scale and Arabic numeral hour display. The layout is neat and easy to read the time and date.