Explore the IWC Portugieser Perpetual Calendar 42, a 42mm perpetual calendar in stainless steel. Collectors discuss its dial design, wearability, and value.
Horology75's IWC Perpetual Calendar needs service for a day display error. Explore community insights on IWC perpetual calendar issues, service costs, and maintenance tips.
Explore the IWC Novecento platinum perpetual calendar ref. 3546 and 3545. Discover movement differences, design nuances, and collector insights into this unique IWC reference.