Where the movement is the evidence, and the maison actually publishes an extract from its archives.
Founded 1848Biel6 weighted checks
Omega differs from Rolex in one useful respect: the maison operates an archive service and will issue an Extract from the Archives for a vintage watch, confirming its production date and original configuration against its records. That is a genuine documentary check available to the public, and it is the strongest evidence there is for an older Omega.
Physically, the reads concentrate on the movement and the dial. Omega uses display casebacks on a great deal of modern production — unlike Rolex — so the movement is often visible without opening anything, and the co-axial escapement in current calibres is a distinctive piece of engineering that counterfeits do not reproduce.
The Speedmaster and the Seamaster carry most of the counterfeit volume, and vintage Speedmasters carry a second problem: genuine watches with replaced dials, hands and bezels, which are common and materially change the value.
Omega serial numbers are engraved on the movement on vintage production and on the case or caseback on modern watches. The movement also carries a calibre number, and calibre and reference must agree — a Speedmaster Professional should contain the calibre its reference specifies, and nothing else.
For vintage watches, Omega's archive service will supply an Extract from the Archives confirming the production date, the original calibre and the market the watch was delivered to. It is ordered from the maison for a fee. It is not an authenticity certificate, but a watch whose extract does not match what is in front of you has a serious problem.
Modern watches carry a warranty card and, since the introduction of the maison's chronometer certification programme, a certificate covering the METAS testing. Cards travel independently of watches and prove nothing on their own.
Ordered by how much each one settles. The decisive checks are the ones worth your first five minutes; the supporting ones only matter once those are clean.
Every Omega reference specifies a calibre, and the movement inside must be that calibre. On watches with display backs this is readable without opening anything: the calibre number is engraved on the movement, along with the maison's finishing. A generic movement, or a calibre that does not belong to the reference, is decisive.
Omega finishes its movements to a visible standard — Geneva stripes or a specific pattern depending on the calibre, blued screws on some references, and cleanly engraved text. A movement with rough edges, unfinished surfaces or printed rather than engraved text is not Omega's work.
The Ω is printed or applied with exact proportions, and dial text is sharp at magnification with correct spacing. On applied logos the metal is polished and mounted level. Fuzzy printing, a logo whose arms are the wrong length relative to its bowl, or an applied logo sitting proud at one side are the ordinary failures.
On a genuine Speedmaster the chronograph hands return to exactly zero on reset, every time, and the pushers have a crisp defined action. Drift on reset is a movement failure. On manual-wind references the crown winds with even resistance and a defined stop.
Omega's brushed and polished surfaces meet along dead-straight boundaries, and the lug profiles are specific to each reference — the Speedmaster's twisted lyre lugs are a shape counterfeits soften. Rounded transitions between finishes indicate machine polishing rather than hand finishing.
Where a reference specifies a helium escape valve it is a functional screw-down component at 10 o'clock, not a decorative disc. Diver bezels are unidirectional with an even click, and the ceramic inserts on modern references carry their markings in enamel filled into engraving.
Counterfeit Omega is generally a tier below counterfeit Rolex in quality, because the incentive is lower, and the display caseback that Omega fits to so much of its production works against the forger — it puts the movement on show, and movements are expensive to fake convincingly.
The bigger practical problem is the redialled vintage Speedmaster. Replacement dials, hands and bezel inserts are freely available, are often fitted during honest servicing, and turn a collectable watch into an ordinary one. An Extract from the Archives plus a careful look at the dial's printing and lume ageing is how that is caught.
Each of these is checked differently. The ones with their own page have enough that is specific to them to be worth reading separately.
The dress line, with claws on the bezel and an observatory medallion on the back.
Read within the checks aboveA dress watch where the movement finishing is the whole read.
Read within the checks aboveA teak-pattern dial whose vertical lines must be engraved, not printed.
Read within the checks aboveAuthenticity and value are separate questions, and answering the first is usually a step towards the second. These are broad ranges for honest, unrestored condition — an orientation, never an appraisal.
| Line | Resale as share of retail | What moves it most |
|---|---|---|
| Speedmaster Professional | 60 – 90% | Originality of dial, hands and bezel |
| Vintage Speedmaster | Highly variable | Reference, original parts, archive extract |
| Seamaster Diver 300M | 50 – 70% | Generation, bracelet condition |
| Aqua Terra, Constellation | 40 – 60% | Configuration and size |
Broad international ranges. Vintage Omega is priced on originality to a degree that has no equivalent in modern production.
Lovenhall WatchThe checks tell you how it was made. The instrument tells you what it appears to be, and roughly what its kind fetches.