Short answer
There is no Patek Philippe Aquanaut 5167G. Patek has never catalogued that reference. The 5167 family is the 5167A in stainless steel and the 5167R in rose gold, both 40 mm, plus the 5167/1A on a steel bracelet. The white gold Aquanaut at 42.2 mm, the one most people mean when they type "5167G," is reference 5168G. Any listing that calls a watch a 5167G has the reference wrong, and in nearly every case the watch behind it is a counterfeit. That mismatch is the fastest tell you will get, and it costs you nothing to check.
Where the 5167G name comes from
Patek case metal codes are short and unforgiving. A means steel. J means yellow gold. R means rose gold. G means white gold, from the French or gris. P means platinum. The letter goes at the end of the reference. So 5167A and 5168G are both real watches, while 5167G combines a 40 mm case number with a white gold suffix that never shipped together. Sellers of replicas lean on that confusion. A buyer who does not know the code reads the G and assumes gold, which sounds like a better watch at a better price.
Near-miss numbers are a habit, not a typo
Counterfeit listings rarely invent a model from scratch. They shuffle real numbers. 5167A becomes 5167G, 5711/1A becomes 5711G, 5168G becomes 5167G. The result looks plausible on a listing page and falls apart the moment you open the official catalogue. Collectors call these phantom references. They turn up in marketplace ads, social media posts, and even printed cards tucked into replica packaging.
What the real Aquanaut references look like
- 5167A: 40 mm stainless steel, composite strap, embossed checkerboard dial.
- 5167/1A: same case, steel bracelet with a fold-over clasp.
- 5167R: 40 mm rose gold, composite strap.
- 5168G: 42.2 mm white gold, blue or green dial. This is the white gold Aquanaut people picture.
Checks that catch most fakes
- Reference check. Confirm the number against Patek's own model list or a printed catalogue. A phantom reference ends the conversation right there.
- Dial texture. The Aquanaut dial is embossed with a raised checkerboard. Fakes print it flat. Tilt the watch toward a light and look for depth.
- Case shape. The rounded octagon has soft, even curves, a brushed flank, and a polished bezel. Copies show wobbly flanks and tool marks near the lugs.
- Movement. A genuine 5167 runs the 324 S C or a later calibre with Geneva stripes, perlage, and the Patek Philippe Seal engraving. Replicas use cloned or generic movements with rough finishing.
- Weight. White gold has a heft that plated brass and steel do not. The 5168G sits heavy in the hand for its size.
- Numbers that match. Reference, case number, and movement number should agree across the caseback, the certificate, and any service paperwork.
- Service history. Call an authorized service center with the case number before you pay. They will tell you whether the reference and the serial line up.
Legal and practical reality
Counterfeit watches are illegal to sell, and US Customs and Border Protection can seize them at the border even when they are meant for personal use. That risk lands on the buyer, not just the seller. A fake also carries no warranty, no parts support, and no resale value. Patek service centers will refuse the watch. What you keep is a piece that reads the part from three feet away and nowhere closer. The money you saved is money you cannot get back.
If you want the look
Two honest paths exist. Buy a genuine 5167A on the secondary market with full papers and a service history, or accept that this reference is out of reach and put the same budget into a well-made watch from a brand that stands behind its product. Either choice leaves you with something you can insure, service, and sell. A 5167G does none of that.