Knowledge Center

Professional Authentication Platform

Component library

Bracelets, end links, clasps, bezels, dials, crowns and crystals as parts with their own identity — and the records of which reference legitimately carried which, and when.

121 parts

Classification

FactoryDocumented as shipped from the factory for this reference and period.PeriodNot original to this watch, but correct for its production period.ServiceFitted by the manufacturer's own service network. Not a defect.AftermarketThird-party part. Affects originality, not authenticity.ModifiedGenuine parts in a configuration the factory did not sell. Affects originality and value, not authenticity.CounterfeitDeceptive reproduction intended to pass as genuine.UnknownEvidence on file does not settle the question.

Case

Amphibia compressor-principle case

Arceau asymmetric stirrup lugs

Articulated floating lugs

Cintrée Curvex compound-curved case

Hardmetal case (tungsten carbide composite)

Helium escape valve

High-tech ceramic case

J12 high-tech ceramic case and bracelet

Layered sandwich case

Left-hand (destro) crown at 9 o'clock

Monaco square water-resistant case

Monocoque single-piece case

Nautilus two-part case with lateral hinges

Ori trapezoidal case

Polerouter case with twisted lugs

Rado material families and how they differ

Reverso reversible carrier and cradle

Rolex-supplied Oyster case (vintage Tudor)

Soft-iron inner cage

Thermally blued titanium

Ventura asymmetric shield case (Arbib)

Von Büren asymmetric dive case

Caseback

Caseback with Bulova date code

Numbered limited-edition caseback

Plain screw-down Oyster caseback

Reverso engravable reverse face

Screw-down caseback with reference and serial engraving

Seamaster caseback with hippocampus medallion

Speedmaster Professional caseback with NASA / lunar text

Tsunami (wave) medallion caseback

United States government specification stamped caseback

Bezel

Big Bang bezel with six H-headed screws

Navitimer circular slide rule

Piping Rock black enamel bezel

Première octagonal bezel

Royal Oak octagonal bezel with exposed screws

Santos exposed-screw bezel

Superman bezel-locking bridge

Bezel insert

6105-8110 bezel insert

6139-600x internal tachymeter ring

6309-7040 bezel insert

Black Bay anodised aluminium bezel insert

Cerachrom black ceramic bezel insert

Ceramic diving bezel with enamel-filled scale

No-decompression bezel insert

SKX007 bezel insert

Speedmaster tachymeter bezel — dot over 90 ('DO90')

Submariner black anodised aluminium bezel insert

Crystal

Crystal with Cyclops date magnifier

DS thickened crystal

Spaceview crystal with printed chapter ring

Speedmaster Hesalite crystal

Speedmaster sapphire crystal (sapphire-sandwich execution)

T-Touch tactile sapphire crystal

Crown

6309 screw-down crown at 4 o'clock

Aquadura cork-sealed crown

Big Pilot oversized conical crown

Crown with faceted cabochon

Helium escape valve (10 o'clock)

Luminor crown-protecting bridge and lever

Triplock winding crown

Twinlock winding crown

Dial

6309 service replacement dial

AOPA winged-logo dial

Amphibia and Komandirskie dial (interchangeable)

Astrographic mystery display discs

Dial signature: Heuer or TAG Heuer

Dial with secret signature

Dial-side movement architecture

Franck Muller Art Deco numerals

Fumé gradient dial

GDF and Georgian Armed Forces themed dial

Heart Beat balance aperture