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IWC ​Portugieser Perpetual Calendar Rose Gold (IW503404)

The IWC Portugieser Perpetual Calendar (ref. IW503404) features the IWC-manufactured 52615 caliber mechanical automatic movement with an approximate 7-day power reserve when fully wound; slate gray dial; perpetual calendar with date/power reserve subdial at 3 o'clock, month subdial at 6 o'clock, four digit year display between 7 & 8 o'clock, and day-of-the-week/continuous seconds subdial at 9 o'clock; moon phase display at 12 o'clock; sapphire-crystal, exhibition case back; and 44.2mm, 18k rose gold case on a black alligator strap with an 18k rose gold ardillon buckle.

​About the Moon Phase Display in the Ref. IW503404:
The moon phase and its mirror image show the state of the moon in both the northern and southern hemispheres. For the first time with the IW503404, the double-moon model comes with the railway-track chapter ring typical of the Portugieser, while the designers have transformed the entire moon phase display into a star-studded night sky, so that the moon and stars appear to hover in infinite space.
Movement Automatic
Case Rose Gold
Dial Slate gray
Strap / Bracelet Black alligator strap
Model Number IW503404
Complications Date, Moon Phases, Perpetual Calendar, Power Reserve, Seconds Subdial
Diameter 44.2mm
Buckle Rose gold ardillon buckle
Water Resistance 30m
Warranty IWC 2-Year International Warranty
Description - Specifications
  • Price: $39,000
  • Ref #: WGGAS24109
  • In Stock
  • Available in: Vail
  • For More Information:
     (888) 556-2127
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