Short answer
A working replica of the Patek Philippe 5178 minute repeater does not exist in the China replica market. Sellers list the reference number in titles and photo sets. The watch that ships is an automatic or quartz case with a slide lever that moves a decorative plate. It does not strike hours, quarters, and minutes.
What the reference is
The 5178 sits in the Patek Philippe minute repeater line. A minute repeater strikes the time on demand. Hours sound on a low gong. Quarters sound as a two-tone strike. Minutes sound on a high gong. A slide on the left case band winds the strike train and releases it.
Genuine examples use an in-house mechanical caliber with gongs, hammers, and a governor, plus a gold case. Production runs are small. Genuine prices sit in the several-hundred-thousand-dollar range. Exact case size, caliber number, and dial material differ by reference suffix, and I cannot confirm every variant from memory. Patek publishes those figures per reference code.
What replica listings show
- Case: 316L stainless steel, sometimes sold as 904L, 40 to 42 mm wide, 12 to 14 mm thick. Gold cases are gold plating over steel.
- Movement: Asian automatic, often a Miyota copy or a Seagull movement. No gong. No hammer. No strike train.
- Slide lever: present in photos, non-functional. Some move a plate under the case back. None produce sound.
- Dial: printed finish that copies an enamel look. Fired enamel has a different sheen and depth.
- Price: $250 to $900. No watch in that range carries a real repeater.
Why no factory builds one
A minute repeater needs a second gear train, two gongs tuned to a set pitch, hammers, and a centrifugal governor. Tolerances run to hundredths of a millimeter. The tooling cost exceeds what the replica price point can recover. No factory in Guangzhou or Shenzhen advertises a functioning repeater at replica prices. Wholesale cost for repeater movements is not published, so I cannot give a figure.
Some listings use a video of a genuine watch. Ask for a clip that shows the case back and a running timestamp.
How to test a listing
- Ask for a chime video. Count the strikes. Hours first, then quarters, then minutes.
- Check thickness. A strike train needs case depth. A thin case cannot hold one.
- Check the slide. A real one returns under spring tension and feels heavy.
- Check the price. Repeater movements cost more than the full replica price.
Import and legal notes
Counterfeit watches are illegal to import into the United States. US Customs and Border Protection seizes shipments and destroys them. Patek Philippe is a protected trademark. Buyers lose the payment and get no refund.