Watchmaker profile

Tim Grönefeld

Tim Grönefeld co-created and produced the Grönefeld brothers' highly finished mechanical watches. 1

At a glance

The watchmaking story

Useful places to start with Tim Grönefeld's work include 1941 Grönograaf and 1896 One Hertz.

Grönefeld is the name recorded for Tim Grönefeld's own watchmaking practice. 2

Tim Grönefeld worked for or held a role at Renaud et Papi. 2

Recognition: Shared GPHG recognition for Grönograaf, 2022

Scope: Direct watchmaking

Why this person is included

Documented original work

Background and working context

Affiliations and workshops: Grönefeld

Geographic ties: Netherlands. Documented workplace / industry location

Brands, workshops, and other relationships

  1. Watch brand / watchmaking business · Source-verified — continuation 2

    Grönefeld — Own watchmaking practice. Independent watchmaking practice 2

    The brothers describe their collaborative watchmaking practice in Oldenzaal.

    Dates only where explicitly supported; source describes historical relationship, not current employment.

  2. Movement developer / supplier · Source-verified — continuation 2

    Renaud et Papi — Worked for / held role. Complicated-watchmaking work 2

    Worked at Renaud et Papi in Switzerland before their independent watchmaking practice.

    Dates only where explicitly supported; source describes historical relationship, not current employment.

Evidence and limitations

This dossier connects 2 field-specific evidence records with 2 public sources. Known links only; full career not established

Claim qualifications (2)
  • Noteworthy contribution: Source supports the scoped individual contribution; promotional first/best claims and sole authorship of all house work are not adopted. 1
  • Specific role: Source supports the scoped individual contribution; promotional first/best claims and sole authorship of all house work are not adopted. 1

Sources

  1. Grönefeld – The Horological BrothersGrönefeld · First-party / official · Not stated

    [S0091] Grönefeld. "Grönefeld – The Horological Brothers." Not stated. https://www.gronefeld.com/ Accessed 2026-09-13.

    Source context

    Relationship to subject: Subject / successor organization

    How it was checked: Opened and read

    Limitation: Post-consolidation gap-resolution pass: Original source text inspected; not independent corroboration of every profile clause.

  2. About UsGrönefeld · Primary / institutional · Not stated

    [S0358] Grönefeld. "About Us." Not stated. https://www.gronefeld.com/about-us Accessed 2026-09-14.

    Source context

    Relationship to subject: Publisher / rights record

    How it was checked: Relevant page text inspected in portrait/brand continuation 2.

    Limitation: Only the stated claim was inspected.

Corrections and stronger evidence

Names, dates, and workshop relationships can change as archives are digitised. If you have a primary source that clarifies this record, use the correction process.

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