Quick answer

PAM 00 means Panerai reference PAM00000, the Luminor Base. The genuine watch has a 44 mm steel case, two hands, a hand-wound movement, and a crown-protecting bridge. Replica versions copy the case outline and the dial layout. They differ in movement, crystal, crown lever, and water resistance. Importing or selling a counterfeit Panerai is a federal offense in the US.

Genuine PAM 000 specifications

  • Reference: PAM00000, Luminor Base.
  • Case: 44 mm, AISI 316L steel, cushion shape, 24 mm lugs.
  • Dial: black sandwich dial, two hands. No date. No small seconds.
  • Movement: calibre OP I, hand-wound, based on the ETA/Unitas 6497. Panerai lists 56 hours of power reserve.
  • Crystal: sapphire. Caseback: solid steel.
  • Water resistance: rated to 300 m.
  • Status: discontinued. Used prices rose after production stopped.

Where replicas differ from the real watch

Most PAM 000 replicas use an Asian hand-wound movement. Two common bases are the Sea-Gull ST36 and copies of the Unitas 6497. Beat rate, finish, and bridge shape do not match the OP I. The caseback is a tell. The real one is solid with deep engraving. Replica engraving is shallow or wrong in font.

Crystal material varies. Some replicas ship with sapphire, some with mineral glass. Sellers state sapphire. A scratch test is the check. The crown-protecting lever is another point. On the real watch the lever locks with firm spring tension. On replicas the spring is soft or the lever sits at the wrong angle.

Water resistance claims need care. A 300 m rating depends on gaskets, case machining, and pressure testing. Replicas are built to no published standard. Treat any rating on a replica as unverified.

Checks before you handle a replica PAM 00

  1. Measure the case. The real case is 44 mm across, not counting the crown bridge.
  2. Measure lug width. It should be 24 mm.
  3. Check the dial. Real PAM 000 dials are two plates with lume between them.
  4. Look at the crown lever. It should sit flush against the case.
  5. Read the caseback text. Font and engraving depth are common failure points.
  6. Ask for a movement photo. No photo means no answer.

Legal status in the US

Trademark counterfeiting is covered by 18 U.S.C. 2320. A first trafficking offense carries up to 10 years in prison and a fine up to $2,000,000 for an individual. CBP can seize and destroy counterfeit shipments at the border. Personal use does not create a general exemption for counterfeit goods.

What is not known

Panerai does not publish yearly production totals for the PAM 000. Replica factories do not publish movement batches, steel sources, or parts suppliers. Claims such as "Swiss movement" or "1:1" cannot be verified from a listing. A replica is not an homage. Homage watches carry a different brand name and logo.