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  • Greubel Forsey

    Quantième Perpétuel á équation

    Reference# 9100 3480
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    • Details
    • Description
    • Case: 18-karat white gold
    • Size: 43.5mm
    • Movement: hand-wound manufacture caliber
    • Function: equation of time, inclined tourbillon, perpetual calendar
    • Power Reserve: approximately 72 hours
    • Water Resistance: 30m
    • Dial: anthracite
    • Caseback: sapphire crystal
    • Strap/Bracelet: alligator leather

    The perpetual calendar is one of the most loved complications among Fine Watchmaking enthusiasts. In addition to the time, in most cases it displays the date, day and month, taking into account the differences caused by leap years.

    The Computeur Mécanique, Greubel Forsey's seventh invention and the subject of three new patents, allows two major advances to be proposed in addition to the usual functions: the equation of time is displayed on the back of the timepiece through an ingenious system of rotating sapphire crystal discs, and it is possible to make all adjustments very simply by using a single winding crown.

    Regulated by the Tourbillon 24 Secondes, the equinoxes and solstices, seasons and four-digit years tick by thanks to this new masterpiece in mechanical invention, which offers simplicity of use and display never before achieved in a perpetual calendar.

    GreubelForsey
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