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Watch Families

IWC IW389105 PILOT’S WATCH CHRONOGRAPH TOP GUN EDITION “LAKE TAHOE” with black dial, white ceramic case and white rubber strap

Pilot’s Watches

IWC IW503702 PORTUGIESER PERPETUAL CALENDAR with black dial, 18 ct Armor Gold® case and black leather strap

Portugieser

IWC IW344602 PORTOFINO PERPETUAL CALENDAR with white dial, 18 ct 5N gold case and blue calfskin strap

Portofino

IWC IW328901 INGENIEUR AUTOMATIC 40 with black dial, stainless steel case and Stainless steel bracelet

Ingenieur

IWC IW376806 AQUATIMER CHRONOGRAPH with blue dial, stainless steel case and blue rubber strap

Aquatimer

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IWC Schaffhausen

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            CONTACT US

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            IW505701

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            Portugieser Eternal Calendar

            Variation — White, Platinum Case Size guide

            Platinum Case, Automatic winding, Diameter 44.4 mm, White dial, Black alligator leather strap by Santoni, Strap width 22.0 mm.

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            Portugieser Eternal Calendar | IWC Schaffhausen

            IWC’s first secular perpetual calendar automatically takes into account the Gregorian calendar’s complex leap year exceptions by skipping three leap years over a 400-year period.

            Watch Details

            • Case
            • Movement
            • Features
            Case

            Case

            • Platinum Case
            • Diameter 44.4 mm
            • Height 14.9 mm
            • See-through sapphire glass back
            • Water resistance 5.0 bar
            'Case'
            Movement

            Movement

            • 52640 Calibre
            • IWC-manufactured movement
            • Automatic winding
            • 168 Hours power reserve
            • Frequency 28'800 VPH (4 Hz)
            • 396 Components
            • 54 Jewels
            Features

            Features

            • Small hacking seconds
            • Pellaton automatic winding
            • Power reserve display
            • 7 days power reserve
            • Rotor with 18-carat gold medallion
            • Eternal calendar with displays for the date, day, month, year in four digits and eternal moon phase
            • Double box-glass sapphire crystals, antireflective coating on both sides

            Care For Your Watch

            Complete Service

            Complete Service

            It involves a full overhaul of the timepiece and is a complex, largely manual task that takes several hours.

            Learn more
            HOW-TO TIPS

            HOW-TO TIPS

            Learn how to clean your watch, wind it and more in our six-part “How To…” video series.

            LEARN MORE
            OFFICIAL DOCUMENTS

            OFFICIAL DOCUMENTS

            View Warranty

            IWC Schaffhausen

            Exclusive Service

            SHIPPING & DELIVERY

            SHIPPING & DELIVERY

            The Concierge Service offers a selection of free and convenient delivery options in Singapore, or you may also choose to collect your order in one of our boutiques in Singapore.

            SHIPPING AND DELIVERY CONDITIONS
            FIND A BOUTIQUE

            FIND A BOUTIQUE

            Would you like to visit us? Find the IWC boutique or service centre that is closest to your location.

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            EXTENDED WARRANTY

            EXTENDED WARRANTY

            Register to become a member of my IWC and benefit from a 6-year extension to the standard 2-year international limited warranty.

            Register your watch
            Portugieser Eternal Calendar

            Portugieser Eternal Calendar

            The Portugieser Eternal Calendar is the first secular perpetual calendar from IWC Schaffhausen and automatically considers the Gregorian calendar’s leap-year exceptions. In addition, this horological marvel also features a moon phase display with a mathematical accuracy of 45 million years.

            Accessories

            A large variety of accessories to personalize your watch.

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            CONTACT US

            • Call IWC

              Monday to Saturday: 10:00am – 8:00pm

              +65 3158 3801
            • Send IWC an E-Mail
              We will reply within 2 working days.
              Send IWC an E-Mail
            • Send IWC a WhatsApp Message

              Do you have a question about a product - your order or our service?
              Contact one of our watch experts on WhatsApp.

              Monday to Saturday: 10:00am – 8:00pm

              Send a Message
            • Visit IWC

              Choose the closest IWC boutique and come visit us soon or visit our IWC service centres - we would be delighted to take care of your timepiece.

              Find a Nearest Boutique
            • MAKE AN APPOINTMENT

              Schedule a visit at the boutique of your choice.

              Book an Appointment
            • Leave your Feedback

              Your feedback is important to us. Share it with us here.