At a glance
- Period
- 20th–21st century
- Place
- Switzerland 1
The watchmaking story
Useful places to start with Luca Soprana's work include SF24, Astronomia, and Derek Pratt by Luca Soprana Remontoir d’Egalité. 1
Luca Soprana worked for or held a role at Ateliers 7h38. 1
Sources connect Luca Soprana with WOSTEP, without establishing a formal role. 1
Sources associate Luca Soprana with Vianney Halter workshop, although the precise role remains unresolved. 1
Scope: Direct watchmaking
Why this person is included
Documented attributable individual contribution
Background and working context
Affiliations and workshops: Ateliers 7h38; WOSTEP; Vianney Halter workshop 1
Geographic ties: Italy; Switzerland. Documented workplace / project location; not a citizenship assertion 1
Brands, workshops, and other relationships
- Movement / component supplier or manufacturer · Inherited source-linked record; relationship classification reviewed, sources not reopened
Ateliers 7h38 — Worked for / held role. Led collaborative movement development 1
Legacy affiliation: Ateliers 7h38; WOSTEP; Vianney Halter workshop. Person-level contribution: Led collaborative movement development at Ateliers 7h38 for projects including Jacob & Co.’s SF24 and Astronomia, and reworked the Derek Pratt wristwatch project.
Original affiliation wording: Ateliers 7h38; WOSTEP; Vianney Halter workshop. No present-day employment or ownership inferred.
- Institution / education / public service · Inherited source-linked record; relationship classification reviewed, sources not reopened
WOSTEP — Institutional association — role not established. Watchmaker / movement developer 1
Legacy affiliation: Ateliers 7h38; WOSTEP; Vianney Halter workshop. Person-level contribution: Led collaborative movement development at Ateliers 7h38 for projects including Jacob & Co.’s SF24 and Astronomia, and reworked the Derek Pratt wristwatch project.
Original affiliation wording: Ateliers 7h38; WOSTEP; Vianney Halter workshop. No present-day employment or ownership inferred.
- Watchmaking workshop / practice · Inherited source-linked record; relationship classification reviewed, sources not reopened
Vianney Halter workshop — Association — role unresolved. Watchmaker / movement developer 1
Legacy affiliation: Ateliers 7h38; WOSTEP; Vianney Halter workshop. Person-level contribution: Led collaborative movement development at Ateliers 7h38 for projects including Jacob & Co.’s SF24 and Astronomia, and reworked the Derek Pratt wristwatch project.
Original affiliation wording: Ateliers 7h38; WOSTEP; Vianney Halter workshop. No present-day employment or ownership inferred.
- Watch brand / watchmaking business · Inherited source-linked record; relationship classification reviewed, sources not reopened
Jacob & Co. — Designed / developed / supplied for. Team-led SF24 and Astronomia movement development 1
Led collaborative movement development at Ateliers 7h38 for projects including Jacob & Co.’s SF24 and Astronomia, and reworked the Derek Pratt wristwatch project.
Extracted from existing sourced contribution; source not reopened in this pass.
- Watch brand / watchmaking business · Inherited source-linked record; relationship classification reviewed, sources not reopened
Derek Pratt wristwatch continuation — Designed / developed / supplied for. Reworked continuation movement; earlier contributions by others retained 1
Led collaborative movement development at Ateliers 7h38 for projects including Jacob & Co.’s SF24 and Astronomia, and reworked the Derek Pratt wristwatch project.
Extracted from existing sourced contribution; source not reopened in this pass.
Evidence and limitations
This dossier connects 8 field-specific evidence records with 1 public source. Known links only; full career not established; unresolved relationship(s) remain
Claim qualifications (8)
- Full name: Project and career statements partly come from Soprana. Team work and Pratt-project lineage are retained; not a sole-inventor or all-component claim. 1
- Noteworthy contribution: Project and career statements partly come from Soprana. Team work and Pratt-project lineage are retained; not a sole-inventor or all-component claim. 1
- Representative work: Project and career statements partly come from Soprana. Team work and Pratt-project lineage are retained; not a sole-inventor or all-component claim. 1
- Affiliations / workshops: Project and career statements partly come from Soprana. Team work and Pratt-project lineage are retained; not a sole-inventor or all-component claim. 1
- Specific role: Project and career statements partly come from Soprana. Team work and Pratt-project lineage are retained; not a sole-inventor or all-component claim. 1
- Geographic ties: Project and career statements partly come from Soprana. Team work and Pratt-project lineage are retained; not a sole-inventor or all-component claim. 1
- Primary geography: Project and career statements partly come from Soprana. Team work and Pratt-project lineage are retained; not a sole-inventor or all-component claim. 1
- Qualifications / caveats: Project and career statements partly come from Soprana. Team work and Pratt-project lineage are retained; not a sole-inventor or all-component claim. 1
Sources
- An Afternoon with Luca SopranaKwan Ann Tan; Luca Soprana, interview responses · A Collected Man · Original workshop visit and practitioner interview · 2024-11
[S0333] Kwan Ann Tan; Luca Soprana, interview responses. A Collected Man. "An Afternoon with Luca Soprana." 2024-11. https://www.acollectedman.com/blogs/journal/an-afternoon-with-luca-soprana Accessed 2026-09-13. Locator: Ateliers 7h38; SF24/Astronomia; Derek Pratt project, Lesemann, DeCorte and new movement.
Source context
Relationship to subject: Reporter visit; substantial firsthand testimony
How it was checked: Opened — relevant text inspected. Ateliers 7h38; SF24/Astronomia; Derek Pratt project, Lesemann, DeCorte and new movement
Limitation: Project and career statements partly come from Soprana. Team work and Pratt-project lineage are retained; not a sole-inventor or all-component claim.
Corrections and stronger evidence
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