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Watchmaker profile

Sébastien Billières

Sébastien Billières contributed prototyping, testing and parts work to the Opus V team; later co-founded GENUS and developed its unconventional mechanical time display. 1

Company attribution; Opus V remains a team project. Two patents filed is not proof of granted patents or global priority; no date inferred from the promotional age statement.

At a glance

Also known as
Sebastien Billieres

The watchmaking story

Useful places to start with Sébastien Billières' work include Harry Winston Opus V team work, GENUS GNS 1.2, and IFAGE watchmaking curricula. 1

Sources associate Sébastien Billières with Roger Dubuis, although the precise role remains unresolved. 1

Sébastien Billières designed, developed or supplied work for URWERK and Harry Winston. 1

Scope: Direct watchmaking

Why this person is included

Documented attributable individual contribution

Background and working context

Affiliations and workshops: Roger Dubuis; Urwerk / Opus V team; IFAGE; GENUS 1

Geographic ties: Switzerland. Documented workplace / project location; not a citizenship assertion

Brands, workshops, and other relationships

  1. Watch brand / watchmaking business · Inherited source-linked record; relationship classification reviewed, sources not reopened

    Roger Dubuis — Association — role unresolved. Watchmaker / movement developer / instructor 1

    Legacy affiliation: Roger Dubuis; Urwerk / Opus V team; IFAGE; GENUS. Person-level contribution: Contributed prototyping, testing and parts work to the Opus V team; later co-founded GENUS and developed its unconventional mechanical time display.

    Original affiliation wording: Roger Dubuis; Urwerk / Opus V team; IFAGE; GENUS. No present-day employment or ownership inferred.

  2. Watch brand / watchmaking business · Inherited source-linked record; relationship classification reviewed, sources not reopened

    URWERK — Designed / developed / supplied for. Watchmaker / movement developer / instructor 1

    Legacy affiliation: Roger Dubuis; Urwerk / Opus V team; IFAGE; GENUS. Person-level contribution: Contributed prototyping, testing and parts work to the Opus V team; later co-founded GENUS and developed its unconventional mechanical time display.

    Original affiliation wording: Roger Dubuis; Urwerk / Opus V team; IFAGE; GENUS. No present-day employment or ownership inferred.

  3. Watch brand / watchmaking business · Inherited source-linked record; relationship classification reviewed, sources not reopened

    Harry Winston — Designed / developed / supplied for. Watchmaker / movement developer / instructor 1

    Legacy affiliation: Roger Dubuis; Urwerk / Opus V team; IFAGE; GENUS. Person-level contribution: Contributed prototyping, testing and parts work to the Opus V team; later co-founded GENUS and developed its unconventional mechanical time display.

    Original affiliation wording: Roger Dubuis; Urwerk / Opus V team; IFAGE; GENUS. No present-day employment or ownership inferred.

  4. Institution / education / public service · Inherited source-linked record; relationship classification reviewed, sources not reopened

    IFAGE — Institutional association — role not established. Watchmaker / movement developer / instructor 1

    Legacy affiliation: Roger Dubuis; Urwerk / Opus V team; IFAGE; GENUS. Person-level contribution: Contributed prototyping, testing and parts work to the Opus V team; later co-founded GENUS and developed its unconventional mechanical time display.

    Original affiliation wording: Roger Dubuis; Urwerk / Opus V team; IFAGE; GENUS. No present-day employment or ownership inferred.

  5. Watch brand / watchmaking business · Inherited source-linked record; relationship classification reviewed, sources not reopened

    GENUS — Founder / co-founder. Watchmaker / movement developer / instructor 1

    Legacy affiliation: Roger Dubuis; Urwerk / Opus V team; IFAGE; GENUS. Person-level contribution: Contributed prototyping, testing and parts work to the Opus V team; later co-founded GENUS and developed its unconventional mechanical time display.

    Original affiliation wording: Roger Dubuis; Urwerk / Opus V team; IFAGE; GENUS. No present-day employment or ownership inferred.

Evidence and limitations

This dossier connects 7 field-specific evidence records with 1 public source. Known links only; full career not established; unresolved relationship(s) remain

Claim qualifications (7)
  • Full name: Company account distinguishes Billières’s technical/training work from Henry’s launch and business role. National/world-first, patent-grant and current-role claims are not adopted. 1
  • Noteworthy contribution: Company account distinguishes Billières’s technical/training work from Henry’s launch and business role. National/world-first, patent-grant and current-role claims are not adopted. 1
  • Representative work: Company account distinguishes Billières’s technical/training work from Henry’s launch and business role. National/world-first, patent-grant and current-role claims are not adopted. 1
  • Affiliations / workshops: Company account distinguishes Billières’s technical/training work from Henry’s launch and business role. National/world-first, patent-grant and current-role claims are not adopted. 1
  • Specific role: Company account distinguishes Billières’s technical/training work from Henry’s launch and business role. National/world-first, patent-grant and current-role claims are not adopted. 1
  • Primary geography: Company account distinguishes Billières’s technical/training work from Henry’s launch and business role. National/world-first, patent-grant and current-role claims are not adopted. 1
  • Qualifications / caveats: Company account distinguishes Billières’s technical/training work from Henry’s launch and business role. National/world-first, patent-grant and current-role claims are not adopted. 1

Sources

  1. StoryNot stated · GENUS Watches · First-party biography / project record · Not stated

    [S0334] GENUS Watches. "Story." Not stated. https://genuswatches.swiss/story/ Accessed 2026-09-13. Locator: Sébastien Billières; Catherine Henry; Opus V team and 2006 training curricula.

    Source context

    Relationship to subject: Subject or affiliated organization

    How it was checked: Opened — relevant text inspected. Sébastien Billières; Catherine Henry; Opus V team and 2006 training curricula

    Limitation: Company account distinguishes Billières’s technical/training work from Henry’s launch and business role. National/world-first, patent-grant and current-role claims are not adopted.

Corrections and stronger evidence

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