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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Consumer GoodsVichA. Prongué
A. Prongué Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Centre Technique Horloger is the repair, restoration and maintenance of watches, particularly luxury watches and antique timepieces. This includes: revision and maintenance of watches of all brands, repair of antique watches, even if the brand no longer exists, restoration of watches and pendulums, quick repair services such as battery replacement, glass replacement and strap replacement, and specialized repair of Omega watches, including old models like Speedmaster, Flightmaster and Railmaster. The company offers its services for watches of various brands, including Omega, Tissot, Longines, Mido, Certina, Hamilton and Balmain.

AI-generated
Offering

Products & services

Industry:Repair of Consumer Goods
✓ Offered6
Watch repair
Complete revision, restoration and repair of watches of all brands, including antique watches and collection watches.
Omega watch repair
Repairs of Omega watches, including older models such as Speedmaster, Flightmaster, Railmaster and F300, carried out in the workshop.
Antique watch restoration
Restoration of antique watches and collectible pieces, with restoration of watches whose brand no longer exists.
Restoration of pendulum clocks
Restoration of pendulum clocks and antique clocks, putting mechanisms back into service after long stoppages.
Rapid watch service
Battery, glass and strap changes, with minor repairs for watches.
Pocket watch repair
Repair and restoration of pocket watches, presented as a separate category within restoration.
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4.3/5

A. Prongué

Trust & reputation

ranQ Trust Score of A. Prongué: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

A. Prongué scores 85.9 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.81.224%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.95.710%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.88.08%
A. Prongué scores 74.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.89.612%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
A. Prongué scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
A. Prongué scores 0.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

A. Prongué reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 42 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 42 reviews across all connected sources

Sources
GGoogle4.742
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Grand'Rue 10
1267 Vich
Opening hours
Mon
Closed
Tue
09:00 - 12:30, 14:00 - 17:00
Wed
09:00 - 12:30, 14:00 - 17:00
Thu
09:00 - 12:30, 14:00 - 17:00
Fri
09:00 - 12:30, 14:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-218.453.402
Founded
2015 · 11 years
Last commercial register change
March 25, 2026
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
67.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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