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Watchmaker profile

Stepan Sarpaneva

Stepan Sarpaneva developed a distinctive moonphase design language and collaborated on MB&F's projected-moonphase MoonMachine watches. 1

No unqualified world-first claim is reproduced.

At a glance

Place
Finland

The watchmaking story

Useful places to start with Stepan Sarpaneva's work include MoonMachine and MoonMachine 2. 1

Sarpaneva is the name recorded for Stepan Sarpaneva's own watchmaking practice. 1

Stepan Sarpaneva designed, developed or supplied work for MB&F. 1

Scope: Direct watchmaking

Why this person is included

Documented original work

Background and working context

Affiliations and workshops: Sarpaneva; MB&F collaboration

Geographic ties: Finland. Country identification in source

Brands, workshops, and other relationships

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

    Sarpaneva — Own watchmaking practice. Independent watchmaker / designer 1

    Legacy affiliation: Sarpaneva; MB&F collaboration. Person-level contribution: Developed a distinctive moonphase design language and collaborated on MB&F's projected-moonphase MoonMachine watches.

    Original affiliation wording: Sarpaneva; MB&F collaboration. No present-day employment or ownership inferred.

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

    MB&F — Designed / developed / supplied for. Independent watchmaker / designer 1

    Legacy affiliation: Sarpaneva; MB&F collaboration. Person-level contribution: Developed a distinctive moonphase design language and collaborated on MB&F's projected-moonphase MoonMachine watches.

    Original affiliation wording: Sarpaneva; MB&F collaboration. No present-day employment or ownership inferred.

Evidence and limitations

This dossier connects 3 field-specific evidence records with 1 public source. Known links only; full career not established

Claim qualifications (3)
  • Noteworthy contribution: Model-specific collaboration attribution; marketing first/best claims excluded. 1
  • Representative work: Model-specific collaboration attribution; marketing first/best claims excluded. 1
  • Specific role: Model-specific collaboration attribution; marketing first/best claims excluded. 1

Sources

  1. Moonmachine 2MB&F · First-party / official · Not stated

    [S0118] MB&F. "Moonmachine 2." Not stated. https://www.mbandf.com/machines/mbf-machines/performance-art/moonmachine-2 Accessed 2026-09-13.

    Source context

    Relationship to subject: Subject / successor organization

    How it was checked: Opened and read

    Limitation: Live page includes an unrelated LM101/Moser specification block. Only MoonMachine overview, collaboration and inspiration passages support this record; no first-ever claim adopted. Post-consolidation gap-resolution pass: Overview and Inspiration inspected. The Machine section contains unrelated LM101/Moser copy; those specifications were not used.

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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