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IWC Portugieser Perpetual Calendar IW503312

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For more details on this product, please contact 1-800-462-9677, Website Catalog or click here for live assistance.
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IWC's perpetual calendar, developed by Kurt Klaus in the 1980s, automatically recognizes the different lengths of the months and the leap years. It can be easily adjusted using the crown. The mechanical program will not require any manual correction until 2100. The Portugieser Perpetual Calendar displays the calendar information on four sub-dials. In addition to the displays for the date, the weekday, the month and the moon phase, it features a four-digit year indication and a power reserve display. It features an 18-carat Armor Gold case, a blue dial, gold-plated hands and 18-carat gold appliques. The IWC-manufactured 52610 calibre's Pellaton winding system is fitted with ceramic components and builds up a power reserve of 7 days in two barrels. The decorated movement and the rotor in 18-carat gold are visible through the sapphire glass case back.
Delivery & Returns

Standard Delivery (Est 1-3 Days) - Free

Our secure shipping service delivers Monday - Saturday between 8:00 a.m. and 6:00 p.m. For security purposes, every delivery requires an adult signature; Mayors does not deliver to P.O. boxes nor third party forwarding services. To find out more about delivery, click here. Tracking information is available upon request.

If you have any questions or concerns regarding your order, Mayors’ E-Commerce team can be reached at 1-800-4-MAYORS (1-800-462-9677), option 1, during the following times (Eastern Time):

- Monday - Saturday: 9:00 a.m. – 7:00 p.m

- Sunday: 9:00 a.m. – 5:00 p.m

- Closed Easter Sunday, Thanksgiving Day and Christmas day

Alternatively, you can email the E-commerce team at

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