Which IWC watch model is known for its perpetual calendar complication?
Portugieser Perpetual Calendar
Da Vinci Perpetual Calendar
Ingenieur Perpetual Calendar
Aquatimer Perpetual Calendar
Answer
The Portugieser Perpetual Calendar is an IWC watch model known for its perpetual calendar complication. This sophisticated feature automatically adjusts the date, month, and year, taking into account leap years and different month lengths.
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