Master Horologist at work

Elias Thorne

Master Horologist & Micro-Mechanic

With over 15 years dedicated to the microscopic architecture of horology, I specialize in the profound restoration of high-complication timepieces and the bespoke fabrication of obsolete micro-components. Merging traditional artisanal hand-finishing techniques with modern CAD precision engineering.

Commission a Restoration
Professional Journey

Timeline of Expertise

2018 — Present

Lead Restoration Specialist

Chronos Heritage Ateliers, Geneva
  • Orchestrated the complete mechanical resurrection of 50+ highly compromised perpetual calendars and tourbillons from the 18th and 19th centuries.
  • Engineered a proprietary reverse-engineering pipeline utilizing high-resolution micro-CT scanning integrated with SolidWorks to recreate destroyed, undocumented gear trains.
  • Mentored and rigorously trained a cohort of 3 senior apprentices in classical hand-anglage, black polishing, and microscopic lathe operations, elevating workshop throughput by 40%.
  • Spearheaded material science research to forge historically accurate beryllium-copper alloys for bespoke balance springs, enhancing chronometric stability in antique calibers.
2012 — 2018

Senior Horological Engineer

L'Atelier Suisse de Précision
  • Diagnosed and rectified complex escapement malfunctions across premium luxury portfolios, optimizing amplitude and beat error tolerances to surpass COSC certification standards by 15%.
  • Designed and fabricated custom horological tooling (burnishers, specialized staking stumps) to execute delicate pivot polishing without compromising historic integrity.
  • Liaised directly with elite international collectors, providing comprehensive technical dossiers detailing mechanical provenance, restoration blueprints, and preservation strategies.
2008 — 2012

Apprentice Micro-Mechanic

MicroMech Inc., London
  • Mastered traditional Schaublin 70 turning, successfully milling pinions and arbors to tolerances of 0.002mm under stereoscopic magnification.
  • Executed extensive ultrasonic and chemical cleaning protocols, drastically reducing particulate contamination in sealed mechanical environments.
  • Assisted in the assembly of robust marine chronometers, developing an acute sensitivity to isochronism and hairspring manipulation.
Technical Competencies

Artisanal & Engineering Arsenal

Micro-Mechanics

Escapement Tuning
Lathe Turning (Schaublin)
Pivot Polishing
Hairspring Vibrating
Gear Cutting
Poising Balances

Restoration & Finishing

Hand Anglage (Bevelling)
Black Polishing (Zaratsu)
Perlage Application
Thermal Bluing
Ultrasonic Decontamination
Rust Remediation

Digital & Analytical Tools

SolidWorks (CAD)
AutoCAD
Micro-CT Analysis
Witschi Chronoscope
CNC Programming (Basic)
Technical Drafting
Selected Works

Restoration Portfolio

Intricate gears of a restored antique pocket watch

1920s Tourbillon Resurrection

Lathe Fabrication Black Polishing Escapement Geometry
The Challenge A severely water-damaged, high-complication carriage clock arrived with a fused tourbillon cage and heavily oxidized pinions, deemed irreparable by previous technicians. The Solution Executed a highly delicate chemical rust remediation process. Fabricated a replacement lower tourbillon bridge from raw brass matching period-specific metallurgy. Hand-turned and burnished three new pivot arbors. The Outcome Restored functional integrity and chronometric performance to an amplitude of 290°, preserving 90% of the original components while saving a piece of horological history.
Close up of customized metal gears

Bespoke Mainspring Barrel Engineering

SolidWorks Micro-Milling Material Science
The Challenge An undocumented 19th-century marine chronometer suffered from catastrophic mainspring failure, resulting in a shattered barrel drum with no existing schematics for replacement. The Solution Utilized micro-CT scanning on the fragments to digitally reconstruct the exact dimensions in SolidWorks. Programmed a micro-CNC mill to cut a precise replica drum, followed by traditional hand-finishing for aesthetic cohesion. The Outcome Successfully integrated the new barrel, engineered to handle modern alloy mainsprings, resulting in an extended power reserve and flawlessly smooth power delivery to the escapement.
Watchmaker tools and precision instruments on a bench

Chronograph Calibration Suite

Kinematic Analysis Spring Fabrication Isochronism
The Challenge A rare split-seconds (rattrapante) chronograph exhibited severe drag and intermittent stopping when the secondary complication was engaged, indicating profound friction issues. The Solution Conducted a complete teardown and kinematic analysis of the rattrapante clamps. Discovered microscopic burrs on the isolator wheel. Fabricated custom, micro-tensioned springs to adjust clamp pressure dynamically. The Outcome Eliminated all parasitic drag. The chronograph now engages with zero amplitude drop on the primary balance wheel, restoring the tactile "crispness" demanded by elite collectors.
Restored classic watch dial and hands

Aesthetic Dial & Hand Remediation

Thermal Bluing Enamel Stabilization Micro-Painting
The Challenge A museum-grade Grand Feu enamel dial presented with hairline fractures and severely degraded, rusted leaf hands that compromised the visual impact of the historical artifact. The Solution Applied microscopic consolidating resins to stabilize the enamel fissures without altering surface tension. Stripped the oxidized hands, re-polished to a mirror finish, and executed traditional thermal bluing over a brass spirit lamp to achieve a deep cornflower hue. The Outcome A visually stunning, period-correct restoration that preserved the artifact's patina while arresting further degradation, subsequently featured in a prominent horological exhibition.
Endorsements

Professional Accolades

"Elias possesses a rare intersection of deep historical knowledge and terrifying mechanical precision. Watching him reverse-engineer a 200-year-old fusee chain component by hand is nothing short of witnessing pure artistry. He doesn't just repair; he honors the original maker's intent."

Dr. Alistair Vance Curator of Horology, National Antiquities Museum

"During his tenure at L'Atelier, Elias consistently took on the 'impossible' cases—timepieces that other workshops had outright rejected. His methodological approach to problem-solving, combined with his mastery of the Schaublin lathe, makes him an invaluable asset to the global restoration community."

Marguerite Dubois Master Watchmaker & Former Director, L'Atelier Suisse

"As a collector of high-complication independent pieces, entrusting someone with an irreplaceable mechanism is difficult. Elias provided not only flawless mechanical calibration but documented the entire process with such scientific rigor that it added significant provenance to my collection."

Julian Roth Private Horological Collector & Archivist
Initiate Dialogue

Commission a Project

Let's Restore History

Whether you hold an heirloom requiring sensitive preservation, a complicated caliber in need of servicing, or are seeking specialized micro-mechanical fabrication, I am available for consultation. Please provide detailed information regarding the make, caliber, and current state of the mechanism.

Direct Inquiry

atelier@eliasthorne-horology.com

Workshop Location

Geneva, Switzerland (By Appointment Only)

Secure Transport

Fully insured international logistics available for high-value artifacts.

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