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Portugieser Perpetual Calendar 44
Portugieser Perpetual Calendar 44
Portugieser Perpetual Calendar 44
Portugieser Perpetual Calendar 44
  • Manufacturer Reference # IW503704
  • Case Size 44 mm diameter
  • Case Material White Gold
  • Movement Automatic
  • Case Thickness 15 mm
  • Water Resistance 50 meters
  • Strap/Bracelet Material Alligator/Crocodile
  • Item Number IWC0144370
  • Features Date, Day, Month, Moon Phase, Perpetual Calendar, Power Reserve, Second Hand
  • Gender Men's
  • Case Shape: Round
  • Crystal Sapphire
  • Dial Color Champagne
  • Dial Markers Arabic
  • Movement Caliber 52616 Calibre
  • Strap/Bracelet Strap
  • Box & Papers Has Box
  • Manufacturer Reference # IW503704
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IWC Schaffhausen
Portugieser Perpetual Calendar 44

Reference#: IW503704, 44 mm diameter, White Gold IWC0144370 IW503704
USD $47,500

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Description & Details

This version features a polished 18-carat white gold case with a diameter of 44.4 millimeters, a Dune dial, and... gold-plated hands and gold appliques. The watch appears particularly elegant and refined thanks to an improved case construction with a thinner casing ring and double box-glass sapphire crystals. A particular highlight is the intricately crafted dial, which is manufactured in a complex process comprising 60 individual steps. The unusual optical depth is created by applying 15 layers of transparent lacquer, which is fine-ground and then polished to a high gloss finish. The perpetual calendar automatically recognizes the different lengths of the months and adds a leap day every four years at the end of February. All its displays are perfectly synchronized with each other and can be advanced easily via a single crown. The IWC-typical Double MoonTM display shows the moon as it can be seen from the Northern and Southern hemispheres. Thanks to a special reduction gear, the indication will only deviate from the moon’s actual orbit by one day after 577.5 years. The Portugieser Perpetual Calendar is powered by the IWC-manufactured 52616 caliber movement, which is assembled from 386 individual parts. The automatic Pellaton winding system features components made of virtually wear-free zirconium oxide ceramic, while the oscillating mass is made of solid gold. Converting the movements on the wearer’s arm efficiently into energy for the mainspring, it reliably builds up a power reserve of 7 days in two barrels. The watch is fitted with a black alligator leather strap from Santoni with an 18-carat white gold folding clasp.
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Authorized Retailer

With over a century of purveying, maintaining and selling fine watches, Tourneau/Bucherer has an unparalleled prowess in the world of timekeeping. Our experts are here for you every step of your journey, from helping you find your perfect timepiece to providing service and repairs. When you buy your watch from Tourneau/Bucherer, you join a legacy of watch enthusiasts who keep the history of horology alive.

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5-Year Warranty

Enjoy guaranteed protection from Tourneau/Bucherer. Together with the standard manufacturer’s warranty and the complimentary Tourneau warranty, this watch is guaranteed coverage for up to five years. This exclusive guarantee is reserved for new watches purchased at Tourneau/Bucherer.