Short answer
A fake Omega Caliber 8806 is a third-party automatic movement with an Omega-style rotor, engraved bridge text, and a printed Master Chronometer card. It does not use the co-axial escapement, the silicon balance spring, or the two-barrel layout of the genuine movement. The two fastest checks are beat rate on a timegrapher and the shape of the escape wheel under a 10x loupe.
What the genuine Caliber 8806 is
Caliber 8806 belongs to the Omega 8800 platform. Published specs: automatic winding, 55-hour power reserve, two mainspring barrels in series, co-axial escapement, silicon balance spring, magnetic resistance to 15,000 gauss, and 25,200 vibrations per hour (3.5 Hz). METAS, the Swiss Federal Institute of Metrology, certifies each cased watch as a Master Chronometer and requires a daily rate of 0 to +5 seconds.
Omega lists a rhodium-plated finish, arabesque Cotes de Geneve on the bridges, and a skeletonized bi-directional rotor with the Omega logo and caliber text engraved. Omega does not publish a full parts list, and public spec sheets do not document what separates the 8806 from the 8800 beyond finish and rotor decoration.
Six checks that separate real from fake
- Balance. The genuine balance is free-sprung: four gold weights on the rim, no regulator index, no regulator lever. A visible regulator arm is a fake.
- Beat rate. A timegrapher shows 25,200 vph on a genuine 8806. Most fakes run at 21,600 vph. Some run at 28,800.
- Escapement. Under 10x magnification the co-axial escape wheel shows three rows of teeth on three levels. Fakes have one row and a standard Swiss lever.
- Balance spring. Silicon reads dark grey and does not react to a magnet. A blued or bright steel hairspring is wrong.
- Certification card. Master Chronometer watches ship with a METAS card that carries a test code. Fakes ship with a printed card and a code that no one can verify.
- Price. Genuine 8806 watches sell new between about $5,500 and $6,500 USD. A watch listed at $200 to $500 does not contain a movement built to that specification.
Magnetism test
An authorized service center can expose the watch to a strong magnetic field, demagnetize it, and read the rate. A genuine 8806 stays inside 0/+5 seconds per day. A fake with a steel balance spring will run minutes fast. This is the same test METAS performs on every certified watch.
What the caseback text proves
Nothing. Rotor engraving, Co-Axial Master Chronometer text, and an 8806 caliber stamp cost a few dollars to add to a Chinese movement. Judge the movement, not the wording. Two watches with the same serial number is also a common sign of a counterfeit batch.
Legal status in the United States
Counterfeit watches are prohibited merchandise. Trafficking in counterfeit goods is a federal offense under 18 U.S.C. 2320, with a first-offense maximum of 10 years in prison. U.S. Customs and Border Protection can seize and forfeit counterfeit watches under 19 U.S.C. 1526, and the importer can face a civil penalty. Trademark owners can also sue under the Lanham Act.
How to verify a watch you own
An Omega authorized service center can open the case, identify the movement, and compare the serial numbers against Omega records. An assessment costs $50 to $150 at most service centers and is sometimes credited toward a service. Ask for the timegrapher printout and the beat rate in writing.