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IWC

Portugieser Tourbillon Retrograde Chronograph

SKU IW394006
Price available on request
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Only a few complications in Haute Horlogerie are as fascinating as the tourbillon. The "whirlwind" involves the balance wheel rotating around its axis in a cage. This not only provides a visual spectacle on the dial. The constant rotation reduces the influence of gravity on the oscillation system and increases the accuracy of the timepiece. The Portugieser Tourbillon Rétrograde Chronograph features a flying hacking minute tourbillon at "6 o'clock". Additionally, the model is equipped with a retrograde date display and a chronograph with flyback function. Limited to 50 pieces, the case of this watch is made of platinum. The silver-plated dial and the rhodium-plated hands and appliqués harmonise wonderfully with the rare precious metal. The self-winding IWC-manufactured 89900 calibre boasts a power reserve of 68 hours. The pallet lever and escape wheel are treated using Diamond Shell® technology, which reduces friction and improves the flow of energy in the movement.

FEATURES, SPECIFICATIONS & OPTIONS:
  • Brands: IWC
  • Caliber: 89900 Calibre
  • Case Back: See-through sapphire glass back
  • Case Dimensions: 43.5 mm x 15.9 mm
  • Category: Timepieces
  • Collection: PORTUGIESER
  • Cover Outside: antireflective coating on both sides
  • Cover Outside: convex
  • Cover Outside: Sapphire glass
  • Dial: Silver-plated dial
  • Features: Chronograph function with hours
  • Features: Flyback function
  • Features: Flying minute tourbillon
  • Features: Hacking tourbillon mechanism
  • Features: Hour and minute counters combined in a totalizer at 12 o’clock
  • Features: Limited to 50 pieces
  • Features: Retrograde date display
  • Features: Rotor in 18-carat 5N gold
  • Metal: Platinum
  • Movement: Automatic
  • Movement: self-winding
  • Power Reserve: 68 hours
  • Strap: Black alligator leather strap by Santoni
  • Strap: Strap width 22 mm
  • Water-Resistance: 3 bar

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