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July 26, 2020

Arnold & Son Ultrathin Tourbillon Koi

A Tourbillon in Still Waters

Delicately placed on a mother-of-pearl dial, hand-painted carp and sculpted lotuses surround a flying tourbillon.

Arnold & Son presents the Ultrathin Tourbillon Koi, a delicate unique piece that blends fine watchmaking and the artistic crafts.

The House showcases its broad spectrum of skills within a red-gold case measuring 8.34 mm thick.

Here, the finest craftsmanship builds on tried-and-tested watchmaking technique.

Technical specifications:

Arnold & Son Ultrathin Tourbillon Koi

Reference: 1UTAR.M99A.

The unique one-of-a-kind edition


  • Material: 18-carat red gold (5N)
  • Diameter: 42mm
  • Thickness: 8.34mm
  • Water resistant to 30 meters

Dial and hands

  • Koi hand-paiting on black mother-of-pearl & hand-engraved & painted silver lotus flowers


  • Calibre A&S8200 - Ultra-thin Flying Tourbillon
  • Diameter: 32 mm
  • Thickness: 2.97mm
  • Number of jewels: 29
  • Power reserve of 90 hours
  • Frequency: 26,600 vph, 3 Hz.
  • Functions: Hours, minutes, seconds on the flying tourbillon

Strap and buckle

  • Hand-stitched black alligator leather strap with a red gold pin buckle

MSRP: CHF 89'000

For more information, please visit arnoldandson.com

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