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  • De Bethune

    DB28T Black Gold

    Reference# DB28TRS8ZN/S
    Manufacturer's retail price: $215,000.00
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    • Details
    • Description
    • Case: 18-karat rose gold with anthracite zirconium floating lugs
    • Size: 42.6mm
    • Movement: hand-wound manufacture caliber DB 2019
    • Function: 30-second tourbillon, power reserve
    • Power Reserve: approximately 5 days
    • Dial: openworked with black mirror-polished center
    • Caseback: sapphire crystal
    • Strap/Bracelet: alligator leather

    Sometimes mirror-polished for a shiny look, sometimes satin-brushed for a matte finish, black zirconium is a key element in the composition of the cases and floating lugs of the DB28T Black Gold.

    It’s powered by DB Calibre 2019, a mechanical hand-wound movement equipped with the De Bethune silicon/titanium tourbillon. De Bethune has undertaken a complete rethinking of the tourbillon in terms of its use in wristwatches. The laws of physical are implacable: to compensate for the random “violence” of wrist movements, the carriage must be as light as possible, with a high frequency and a maximum rotation speed, along with minimum weight and inertia. Based on new technologies, De Bethune has developed an 0.18 g silicon-titanium tourbillon fitted inside a carriage that spins on its axis every 30 seconds, and equipped with a balance-wheel oscillating at a frequency of 36,000 vibrations per hour.

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