Sero Watch Company

    Active
    Utrecht, NetherlandsEst. 2023Sergino Rontgen and Robert van de Stadt$800–$1,000Website

    Updated May 9, 2026

    Philosophy

    Find similar

    Release Archive

    Find Out More

    Head over to the Sero Watch Company website right here.

    Is this your brand? You can claim your profile

    Sourcing & Build

    Needs Confirmation
    Case origin
    Hong Kong (inferred)
    Dial origin
    Hong Kong (inferred)
    Hands origin
    Hong Kong (inferred)
    Lume type
    Movements
    Sellita SW210-1B

    Sourcing Notes: Swiss Sellita SW210-1B manual-wind movement (confirmed). Vintage Calatrava-inspired 37.5mm case with deeply engraved dials, heat-blued steel hands, and Breguet numerals. Final assembly confirmed in Hong Kong. Handcrafted leather straps from Vietnam (Epsom and Ostrich options).

    Cost Transparency

    🇭🇰

    Ships from Hong Kong

    Tariff situation in flux

    Current Rate

    16%

    6% HTS + 10% Section 122

    Est. Duty

    $144

    on $899–$899 watch

    ⚠ Current Section 122 rate expires Jul 24, 2026 — rates may change.

    For orders outside the EU, local import duties, taxes, or tariffs may apply and are the responsibility of the customer

    Major component manufacturing hub. Many microbrands source cases and components from HK.

    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

    Discover More

    This page was last updated: May 9, 2026 at 4 pm

    Get the latest drops, verified brands, and Atlas updates.

    Independent project, not affiliated with or endorsed by any brand listed herein. Trademarks belong to their respective owners.

    © 2026 Microbrand Atlas