IWC Portugieser Portugieser Constant-Force Tourbillon Double Moon Red Gold / Ardoise

Reference IW5901-01

About this watch

The IWC IW5901-01 Portugieser Constant-Force Tourbillon Double Moon is a masterpiece that embodies luxury, precision, and innovation in horology. This stunning watch features a round case crafted from red gold, radiating elegance and sophistication. The sunburst finish on the grey dial adds depth and texture, catching the light beautifully. At the core of the IW5901-01 is the IWC Caliber 94800, a hand-wound movement that exemplifies precision engineering. This movement features a tourbillon escapement, a patented constant force mechanism, and a generous 96-hour power reserve. The watch also offers a double moonphase display and day/night indication, making it a multifunctional timepiece. With its unique design, intricate movement, and exclusive features, the IW5901-01 is a true standout in the world of horology.
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Key Features

  • IWC Caliber 94800 hand-wound movement
  • Tourbillon escapement with patented constant force mechanism
  • 96-hour power reserve indicator
  • Double moonphase display
  • Day/night indication
  • Sapphire glass with scratch-resistance
  • 30 meters water resistance

Specifications

Brand
IWC
Family
Portugieser
Model
Portugieser Constant-Force Tourbillon Double Moon Red Gold / Ardoise
Reference
IW5901-01
Movement
94800
Movement Features
  • Minutes, Hours, Small Seconds
  • Moonphase
  • Constant Force Mechanism, Tourbillon Escapement, Power Reserve Indicator
Case
Red Gold 46mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
30

Current Listings

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  • Condition: Very good condition
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  • Condition: Overall very good vintage condition, minor scuffing around the ~10 o'clock area on the crystal
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  • Diameter: ~42 mm
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  • Condition: great preowned condition with minor signs of wear throughout the case, caseback, case sides, bracelet, and clasp
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Posted at
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Active