IWIW503405-Portugieser Perpetual Calendar Edition “150 Years”

IW503405

Portugieser Perpetual Calendar Edition “150 Years”

The Portugieser Perpetual Calendar Edition “150 Years” is a special interpretation of this classic watch in the striking design of the jubilee collection.

IW503405

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  • 18 ct red gold case
  • Automatic, self-winding
  • Black alligator leather strap by Santoni
  • Diameter 44.2 mm

This watch is available in different materials and colours

See variations

IW503405 Specifications

case

case

  • 18 ct red gold case
  • Diameter 44.2 mm
  • Height 14.9 mm
  • See-through sapphire glass back
  • Water resistance 3 bar

Movement

Movement

  • 52615 Calibre
  • Automatic, self-winding
  • Frequency 28800.0 vph (4.0 hz)
  • 54 Jewels
  • 168 hours Power Reserve
  • IWC-manufactured movement
  • Côtes de Genève, perlage

Features

Features

  • Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase for the northern and southern hemisphere
  • 7 days power reserve
  • Power reserve display
  • Sapphire glass, arched-edge, antireflective coating on both sides
  • Pellaton automatic winding
  • Rotor in 18-carat red gold
  • Small hacking seconds
  • Limited to 250 pieces

dial

dial

  • White dial

Strap

Strap

  • Black alligator leather strap by Santoni
  • Strap width 22 MM

The Portugieser Perpetual Calendar Edition “150 Years” Story

The perpetual calendar ranks among the classic complications in IWC’s Portugieser family. In the anniversary year, the manufacture presents it in a special interpretation. The Portugieser Perpetual Calendar Edition “150 Years” is available in a limited edition of 250 watches, featuring an 18-carat red gold case, a white dial with a lacquered finish, and blued hands. The IWC-manufactured 52616 calibre has an automatic Pellaton winding system; with its solid gold rotor and two barrels, it builds up a power reserve of 7 days. The perpetual calendar automatically recognises the different month lengths and the leap years, and needs no manual adjustment until 2100. The double moon phase display shows the moon phase for the northern and southern hemisphere, and will deviate from the actual course of the moon by just one day every 577.5 years.

Calibre Family 52000

The twin barrels are the trademark feature of the 52000-calibre family. They supply the watches with sufficient energy for a 7-day power reserve and drive energy-sapping complications like the annual calendar and perpetual calendar.

Double moon phase

The moon phase and its mirror image show the state of the moon in both the northern and southern hemispheres. This gives owners north and south of the equator a view of the moon phase that corresponds to the way they see it.

Perpetual calendar

The perpetual calendar is one of the most fascinating haute horlogerie complications. Originally developed by former chief designer Kurt Klaus and continuously improved since then, it is mechanically programmed for 577 years.

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