WHITE GOLD CASE – BAGUETTE-CUT DIAMONDS AND RUBIES SETTING DIAL

This spectacular and highly technical piece conceals an ingenious complication.

Beneath its classic wristwatch appearance lies a mechanism conceived and developed by Laurent Ferrier: a device that pivots the dial’s two opaque crystals a full 240° like a fan opening to reveal a second hand-decorated dial.

Developed on the basis of the Tourbillon Double Balance Spring calibre, this complication opens and closes the dial by the fan-like rotation of two opaque sapphire crystals. A patent has been filed for this invention.

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Print sheet

  • MOVEMENT

    manual winding
  • DIAMETER

    42 mm
  • NUMBER OF JEWELS

    23
  • THICKNESS

    15.20 mm
  • FREQUENCY

    3Hz (21,600 vibrations/hour)
  • POWER RESERVE

    80 hours
  • WATER-RESISTANT

    to 30 metres
  • DIAL

    invisible setting of baguette-cut diamonds and rubies

Functions

  • Hours and minutes in the centre
  • 80 hours power reserve
  • Display mechanism: dial operating with aperture of 240° patented double rotation to induce phase shift to open and close the aperture is composed of two modalities:
    1. On demand, instantly, by simply pressing the push-button.
    2. In passing, within owner defined time completed by the expert watchmaker during assembly. By the time the system starts switching over the display until its complete unfold (240°) it takes 60 minutes.

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