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    Sourcing & Build

    Inferred
    Case origin
    Switzerland
    Dial origin
    Switzerland
    Hands origin
    Switzerland
    Lume type
    Movements
    ETA 2892-A2
    Sellita SW200-1

    Sourcing Notes: Founded by KC Wu, a medical device engineer, and Sam Konigsberg. World's first patented concave crystal watch (US Patent #8,009,521 through 2029). 15 manufacturers declined the design before one agreed. Case inspired by wine glass silhouette. Crown at 2 o'clock. ETA 2892-A2 in Gen I, Sellita SW200-1 in Gen III. Limited edition runs of 250 pieces.

    Cost Transparency

    🇺🇸

    Ships from Princeton, United States

    Tariff-free

    No import duties for American buyers

    This brand assembles in the US — watches ship tariff-free to domestic addresses.

    Complimentary FedEx 2-Day shipping on all watch orders. US-designed with Swiss movements. Patented concave crystal design (US Utility Patent #8,009,521).

    No import duty on domestically assembled watches. Brands like TSAO Baltimore, Nodus, Vaer, and Vortic ship tariff-free to US buyers.

    Tariffs are assessed based on where the watch is assembled, not where individual components originate. A watch with a Japanese movement assembled in the US incurs no import duty.

    Learn more about watch tariffs

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    This page was last updated: July 30, 2026 at 4 am

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