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Sourcing & Build
Community verifiedSourcing Notes: Movement: Seiko VK-series mecaquartz (Chronoscope), Seiko NH35/NH38 automatic (Hydromatic), Ronda quartz (Simplissime). Case: 316L stainless steel, sourced from long-term suppliers vetted over months. Sapphire crystal on mechanical models, K1 mineral on Simplissime quartz range. Dial: Custom to Obelus specifications. Assembly: All watches and packaging designed, created, and assembled in Versailles, France. Two-year international warranty. Notes: Founder Christophe Berthommier has 20+ years in the watch industry; brand name references the ÷ mathematical symbol coined by Swiss astronomer Johann Heinrich Rahn in 1659.
Cost Transparency
Ships from Versailles, France
Current Rate
10%
6% HTS + 4% Section 301 (forced labor)
Est. Duty
$24–$70
on $240.13–$697.53 watch
EU is capped at 10% total including MFN duty under the Section 301 forced-labor tariffs effective July 24, 2026. With a ~6% HTS base rate, the incremental Section 301 duty is 4%.
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 tariffsDiscover More
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This page was last updated: August 15, 2026 at 4 am