Why certify with AmplitudeHK
At Amplitude, we protect more than a watch. We protect its story.
As the only official Watch Certificate™ partner in Asia, we issue a secure digital passport that verifies authenticity, records ownership, and keeps a service log for the life of your timepiece.
Benefits at first glance

Authentication by our experts

Traceability of ownership & services

Service history maintained like a logbook

Global recognition for insurance & resale

Blacklisting support in case of loss or theft
4 Simple Easy Steps
Activation is fast and secure. Once activated, you unlock an extra year of coverage and member services from Watch Certificate™.
1
We inspect and photograph your watch, then create its digital passport.
2
You scan the QR code, create your account, and claim ownership.
3
Each future service or transfer is added to the passport for full traceability.
4
You can access the passport from your phone anytime.
Certification & Pricing
Choose the level that matches the value of your watch. Every level includes a digital passport, high-definition photos, and expert verification. Higher tiers add deeper inspection and documentation suitable for insurance and resale.
Single Passport
For all watches
Unique digital identity & QR code | Essential details & photos | Ownership activation & transfer support
Steel Certification
For watches valued under €5,000
Full authentication by approved experts | Condition checklist & photos | Entry-level documentation for everyday pieces
Gold Certification
For watches valued €5,000 to €15,000
Expert inspection with detailed report | Enhanced photo set and serial checks | Traceable service log ready for insurers
Black Certification
For watches valued €15,000 to €50,000
Comprehensive authentication and condition analysis | Market-ready documentation pack | Recommended for collectible pieces