Short answer
The eight-digit code 323.10.44 belongs to Omega, not to any replica workshop. It identifies a 44.25 mm stainless steel Speedmaster chronograph on a steel bracelet with a black dial. A listing that advertises a "replica speedmaster 323.10.44" is selling an unlicensed copy of that watch. In the United States, importing it is a customs violation, and the copy itself will fail a side-by-side check against an original within seconds.
What the reference number tells you
Omega builds reference numbers from fixed segments. The first group marks the collection and case material, the second gives the case diameter, and the remaining blocks cover movement type, dial color and version. Read as a whole, 323.10.44 describes a Speedmaster family chronograph in a 44.25 mm steel case. Counterfeit sellers copy the code because it is searchable. They seldom copy what the code describes.
How to check a genuine Speedmaster of this reference
- Write the full reference from the listing and compare each segment with the published spec on Omega's own site. Case size, dial color and bracelet type must match.
- Ask the seller for a straight-on photo of the case back. Genuine engraving is sharp, the spacing is even, and the back carries the reference, a serial number and the Swiss Made mark.
- Weigh the watch on a kitchen scale and compare the result with the published weight. Counterfeit cases use thinner steel and the gap shows.
- Inspect the dial print under a magnifier. Subdial spacing, logo alignment and date window position are the three places copies slip.
- Start and stop the chronograph three times. Pushers on an original return with a firm, short throw.
- Verify the serial number with an Omega boutique or an authorized service center before money changes hands.
- Request service records or an appraisal for any pre-owned sale, and pay through a channel that allows a chargeback.
Legal and practical risk
- Customs officers can seize counterfeit watches at the border. The shipment is destroyed and the buyer gets no refund.
- No manufacturer will service a counterfeit, and no parts exist for it.
- Resale value sits near zero because the watch cannot be authenticated.
- Trademark holders can pursue sellers, and a buyer who resells a copy inherits that exposure.
Legitimate ways to get the same look
- Buy a pre-owned original from an authorized dealer or a dealer that issues a written authenticity guarantee.
- Watch for boutique service on discontinued references, where a full service restores the watch to spec.
- Consider a chronograph from a mainstream maker such as Seiko, Hamilton or Bulova if the budget is fixed. Those are their own designs and they carry a warranty.
- Rent or borrow for a single event instead of buying a copy.
If the goal is the Speedmaster look on a smaller budget, a pre-owned original with a service record holds value in a way no counterfeit ever will.