Authentication Guides

Authentication guides
for every brand.

Learn how to spot fake luxury watches, brand by brand. Each guide covers the key details to check, common counterfeit signs, and how to get an instant AI-powered authenticity report.

Rolex

Crown logo, cyclops lens, serial numbers, rehaut engraving, and more.
Submariner Daytona Datejust Day-Date GMT-Master II Explorer Oyster Perpetual Air-King Milgauss Sky-Dweller Yacht-Master Sea-Dweller Cellini Deepsea Explorer II

Omega

Seahorse medallion, co-axial movement, serial placement, and dial quality.
Speedmaster Seamaster Constellation Aqua Terra Planet Ocean De Ville Seamaster Diver 300M Seamaster 300 Speedmaster Moonwatch Speedmaster Reduced

Cartier

Blue sapphire cabochon, secret CARTIER engraving, Roman numerals, and case finishing.
Santos Tank Ballon Bleu Panthère Pasha Crash Ronde Santos-Dumont Tank Française Tank Must

Patek Philippe

Calatrava cross, Geneva Seal, movement finishing, and case engravings.
Nautilus Aquanaut Calatrava World Time Twenty~4 Annual Calendar Perpetual Calendar

Audemars Piguet

Tapisserie dial pattern, octagonal bezel screws, integrated bracelet, and finishing.
Royal Oak Royal Oak Offshore Code 11.59 Royal Oak Concept Royal Oak Jumbo

TAG Heuer

Shield logo, serial number, sapphire crystal, and chronograph functionality.
Carrera Aquaracer Formula 1 Monaco Connected Autavia Link

Breitling

Winged B logo, COSC certification, rider tabs, and slide rule bezel.
Navitimer Superocean Chronomat Avenger Premier Emergency Top Time Endurance Pro Superocean Héritage

IWC

Probus Scafusia engraving, serial number, crown detail, and dial typography.
Portugieser Pilot's Watch Big Pilot Portofino Aquatimer Ingenieur Mark XX

Panerai

Crown guard bridge, luminous dial, sandwich dial construction, and case finishing.
Luminor Submersible Radiomir Due Luminor Marina

Tudor

Shield logo, snowflake hands, serial number, bezel action, and bracelet quality.
Black Bay Pelagos Ranger Black Bay Fifty-Eight Black Bay Pro Black Bay GMT Black Bay Chrono Black Bay Bronze

Longines

Winged hourglass logo, serial number verification, movement details, and case finishing.
HydroConquest Master Collection Spirit Legend Diver Conquest DolceVita Evidenza Flagship

Casio

G-Shock logo, module number, back plate engravings, and build quality.
G-Shock Edifice G-Shock MR-G CasiOak GA-2100

Seiko

Seiko logo, movement caliber, dial printing, and case back details.
Presage 5 Prospex King Seiko Astron SKX Turtle

Citizen

Eco-Drive technology, case back markings, dial quality, and movement details.
Promaster Eco-Drive Tsuyosa

Tissot

Swiss Made label, movement, case back details, and T-logo quality.
PRX Gentleman Seastar Le Locle Ballade

Certina

DS (Double Security) concept, turtle logo, case back details, and movement.
DS Action DS Diver

Hublot

Signature bezel screws, Art of Fusion materials, HUB movements, and rubber strap quality.
Big Bang Classic Fusion Spirit of Big Bang King Power Big Bang Unico

Richard Mille

Carbon TPT layers, tonneau case, skeletonized movement, and crown function selector.
RM 011 RM 035 RM 055 RM 027

Vacheron Constantin

Maltese cross logo, Hallmark of Geneva, movement finishing, and case engravings.
Overseas Patrimony Fifty-Six Historiques Traditionnelle

Jaeger-LeCoultre

1000 Hours Control, in-house calibers, movement finishing, and case back engravings.
Reverso Master Control Polaris Master Ultra Thin

Zenith

Star logo, El Primero high-beat movement, chronograph precision, and case finishing.
El Primero Defy Chronomaster Pilot

Grand Seiko

Zaratsu polishing, Spring Drive smooth sweep, dial finishing, and GS logo quality.
Snowflake Heritage Sport Evolution 9 Spring Drive

Hamilton

American heritage, H-10 movement, Hollywood connection, and case finishing.
Khaki Field Jazzmaster Ventura Intra-Matic

Chopard

Happy Diamonds floating gems, ethical gold, L.U.C movements, and case finishing.
Happy Sport Alpine Eagle L.U.C

Bell & Ross

Aviation instrument design, square case, bezel screws, and dial legibility.
BR 03 BR 05

Montblanc

Six-pointed star emblem, Minerva manufacture heritage, case finishing, and dial quality.
1858 Heritage Star Legacy

Bulgari

BVLGARI logo engraving, Octo case geometry, BVL movements, and Italian design details.
Octo Finissimo Serpenti Aluminium

Franck Muller

Tonneau case curvature, numeral alignment, movement finishing, and strap quality.
Vanguard Crazy Hours

Rado

High-tech ceramic quality, anchor logo, caseback seahorse, and scratch resistance.
Captain Cook True DiaStar

Oris

Red rotor, bear logo on crown, case finishing, and Calibre 400 movement details.
Aquis Big Crown ProPilot Divers Sixty-Five

Michael Kors

MK logo quality, case back engravings, crown detail, and bracelet finishing.
Bradshaw Runway

Gucci

Interlocking G logo, Swiss Made marking, Medusa-free GG pattern, and serial numbers.
G-Timeless Dive

Emporio Armani

Eagle logo detail, case back engravings, crown quality, and dial typography.

Diesel

Bold logo font, oversized crown, functional chronograph subdials, and case weight.

Versace

Medusa head detail, Greek key pattern, Swiss Made marking, and crown branding.
Medusa

Fossil

Vintage logo, case back details, Certilogo authentication, and tin packaging.
Grant

Daniel Wellington

DW logo font, NATO strap weave quality, case back engravings, and crystal type.
Classic

Hugo Boss

BOSS logo typography, case back details, chronograph function, and bracelet quality.

Burberry

Equestrian knight logo, check pattern alignment, Swiss Made marking, and strap quality.

Swatch MoonSwatch

Bioceramic case material, planet case back, dial printing, and Velcro strap quality.

Movado

Museum dot quality, case back engravings, crown logo, and movement details.
Museum Classic Bold

A. Lange & Söhne

Three-quarter plate movement, big date display, hand-engraved balance cock, and blued hands.
Lange 1 Saxonia Zeitwerk

Blancpain

No-quartz policy, movement finishing, grand feu enamel dials, and case details.
Fifty Fathoms Villeret Bathyscaphe

Girard-Perregaux

Eagle logo, in-house GP movements, three gold bridges, and case finishing.
Laureato

Piaget

Ultra-thin profile, micro-rotor movements, coat of arms, and case finishing.
Polo Altiplano

Ulysse Nardin

Anchor logo, silicium technology, marine chronometer heritage, and case details.
Marine

Baume & Mercier

Phi symbol logo, case back engravings, Baumatic movement, and crystal quality.
Clifton Riviera

Frederique Constant

Heart Beat aperture, FC monogram, in-house calibers, and domed sapphire crystal.
Classics Highlife

Nomos

In-house DUW movements, Bauhaus design, Glashütte finishing, and typography.
Tangente Club Metro

Mido

Architecture-inspired design, Caliber 80 movement, case back details, and dial quality.
Baroncelli Ocean Star Multifort

Sinn

Ar-dehumidifying technology, Tegiment hardening, Frankfurt am Main origin, and tool watch build.
104 556 U50

Glashütte Original

Three-quarter plate movement, Panorama Date, double-G rotor, and Glashütte finishing.
Senator

Junghans

Bauhaus design, Max Bill typography, domed Plexiglass crystal, and J-series movements.
Max Bill

Maurice Lacroix

ML monogram, innovative case design, in-house calibers, and Aikon sports styling.
Aikon

Raymond Weil

Music-inspired design, RW logo, Swiss movements, and open-heart complications.
Freelancer

Luminox

Tritium gas tube illumination, carbon compound case, Navy SEAL authorization, and T25 markings.
Navy SEAL

Bremont

Trip-Tick case construction, aviation heritage, hardened steel, and chronometer certification.
Supermarine

Doxa

Iconic orange dial, cushion case, no-decompression bezel, and diving heritage.
SUB 300

Corum

Nautical pennant markers, 12-sided case, key logo, and Admiral heritage.
Admiral

Chanel

High-tech ceramic, interlocking CC logo, Kenissi movements, and case finishing.
J12 Première

Hermès

Leather strap quality, Vaucher movements, “Hermès Paris” signature, and buckle quality.
Cape Cod Heure H

Louis Vuitton

Monogram pattern, La Fabrique du Temps movements, LV crown logo, and case finishing.
Tambour

Orient

In-house calibers, Orient shield logo, “JAPAN MADE” marking, and dial printing.
Bambino Kamasu

Invicta

Case back engravings, Invicta “I” logo crown, movement verification, and packaging.
Pro Diver

Victorinox

Swiss Made marking, cross & shield logo, sapphire crystal, and solid build quality.
I.N.O.X.

Apple Watch

OLED display quality, Digital Crown haptics, watchOS software, and sensor array.

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