Know What’s on Your Wrist.

Professional Watch Authentication for Modern & Vintage Timepieces

When the authenticity of a watch is in question, experience matters.

At Paul’s Watch Repair, we provide professional watch authentication services for collectors, buyers, sellers, estates, and watch owners who need greater confidence in the identity, originality, and authenticity of a timepiece.

Modern luxury watches and vintage timepieces can contain details that are difficult for an untrained eye to identify. From the movement inside the case to the dial, hands, crown, bracelet, reference markings, and individual components, authentication requires more than simply looking at a watch.

It requires knowledge built through years of hands-on experience.

Paul’s Watch Repair brings world-renowned experience with both modern and vintage watches, carefully examining each timepiece to help answer one critical question:

Is this watch authentic?

Authentication Built on Experience

Every Detail Tells a Story

A fine watch is more than a dial and a movement. Every component can provide important information about its origin, age, condition, and authenticity.

Our authentication process combines physical examination with detailed movement and component inspection to identify characteristics that may indicate whether a watch is genuine, altered, assembled from mismatched parts, or contains non-original components.

Whether you’ve recently purchased a watch, inherited a vintage timepiece, are considering a private transaction, or simply have questions about a watch already in your collection, our goal is to provide a knowledgeable and independent assessment.

Our Authentication Service Includes:

Physical Inspection
We carefully examine the exterior of the watch, including the case, dial, hands, crown, crystal, bracelet or strap, engravings, reference markings, serial information, and other identifying characteristics.

Movement Verification
The movement is one of the most important elements in determining authenticity. When appropriate, we inspect the movement to evaluate its manufacturer, caliber, construction, markings, configuration, and compatibility with the watch.

Parts & Originality Inspection
An authentic watch may still contain replacement or aftermarket components. We examine the timepiece for signs of replaced, modified, refinished, mismatched, or non-original parts that could affect its originality, collectibility, or value.

Written Authentication Report
Following our examination, you receive a written report documenting our findings and professional assessment of the timepiece.

Modern Watch Authentication

Sophisticated Watches Require Sophisticated Inspection

Modern counterfeit watches have become increasingly sophisticated.

Exterior appearance alone may not be enough to determine authenticity. Cases, dials, bracelets, engravings, packaging, and even movements can be manufactured to closely resemble genuine components.

That is why professional authentication goes beyond a surface-level inspection.

At Paul’s Watch Repair, we examine the watch as a complete mechanical object—evaluating how its components, construction, markings, movement, and finishing correspond with what should be present on an authentic example.

When significant money is involved, assumptions are expensive.

Get the watch examined before you make your next decision.

Vintage Watch Authentication

With Vintage Watches, Originality Matters

Authenticating a vintage watch presents an entirely different challenge.

Over decades, a watch may have been serviced numerous times. Dials may have been refinished. Hands, crowns, bezels, crystals, movements, bracelets, and internal components may have been replaced.

Some changes are legitimate service replacements. Others can materially affect the originality, desirability, and potential value of a collectible watch.

Our vintage authentication process looks beyond the question of whether the brand name on the dial is genuine.

We examine the relationship between the watch’s components and evaluate whether they are consistent with the reference, manufacturer, and period in which the watch was produced.

For collectors, that distinction can be critical.

When Should You Authenticate a Watch?

Professional authentication can be especially valuable when:

• Buying a pre-owned luxury watch — Know more about the watch before committing significant money.
• Purchasing from a private seller — Obtain an independent professional assessment.
• Authenticity has been questioned — Resolve concerns with a detailed physical and mechanical inspection.
• You inherited a watch — Learn more about a timepiece that has been passed down through your family.
• Selling a collectible watch — Provide prospective buyers with greater confidence in the timepiece.
• Adding to a collection — Better understand the originality and condition of a potential acquisition.
• You suspect replacement parts — Determine whether important components appear original, replacement, aftermarket, or inconsistent with the watch.
• Documentation is missing — Have the watch itself professionally examined when original paperwork is unavailable.

Why Paul’s Watch Repair?

Expertise You Can Trust. Inspection You Can Understand.

Watch authentication is not simply about finding a serial number or comparing photographs online.

It is about knowing what should be there—and recognizing when something isn’t right.

Paul’s Watch Repair has extensive experience working hands-on with modern luxury watches and vintage timepieces, giving our specialists the perspective required to evaluate watches across generations of manufacturing, movements, components, and watchmaking techniques.

Modern & Vintage Expertise

Different eras require different expertise. We understand the characteristics that distinguish contemporary luxury watches as well as the nuances that make vintage authentication particularly complex.

Mechanical Knowledge

We don’t stop at the dial. Movement verification provides another critical layer of information when evaluating a timepiece.

Detailed Component Inspection

A watch can be genuine while containing components that are not original. We evaluate the individual parts as well as the complete watch.

Independent Assessment

Our purpose is simple: provide you with a professional assessment based on the watch in front of us.

Written Findings

Our authentication service concludes with written documentation of our findings, giving you a record of the inspection and assessment.

Don’t Guess About Authenticity.

Get Answers From an Expert.

Whether you’re evaluating an important purchase, questioning a watch already in your collection, or trying to understand a vintage timepiece you’ve inherited, uncertainty can make it difficult to know what to do next.

Paul’s Watch Repair can help you replace that uncertainty with informed answers.

Bring us your timepiece for a comprehensive authentication examination covering its physical characteristics, movement, components, and originality.

Whether you’re dropping off your watch in person or shipping it to us, please use the address below:

Have questions about the authenticity of your watch?

Contact Paul’s Watch Repair to discuss your timepiece and schedule a professional authentication.

Paul’s Watch Repair
2601 Marconi Ave
Sacramento, CA 95821

Business Hours
Monday–Friday: 9:00 AM – 5:00 PM
Saturday: 10:00 AM – 2:00 PM