Short answer
The 1815 is a model line from A. Lange & Söhne, a watchmaker in Glashütte, Germany. Reference 398.032 does not appear in the company's public catalog or in major auction records. Pages that pair "1815" with "398.032" come from replica sellers who join a real model name to an invented number to catch search traffic.
What the 1815 line is
A. Lange & Söhne named the line after Ferdinand Adolph Lange, born in 1815. The company showed the first 1815 models in October 1994, four years after it restarted production following German reunification. Versions include the 1815 Up/Down, the 1815 Chronograph and the 1815 Thin. Cases sit near 38 mm to 40 mm. Movements are manual wind and made in house.
How Lange writes reference numbers
Lange writes references as six digits split by a period: a three digit group, a period, then three more digits. The first group marks the model and its functions. The second group marks case metal and dial variant. Published lists cover groups in the 1xx, 2xx, 3xx and 4xx bands. No 1815 entry carries a 398 prefix. Treat the number as unverified until a Lange service center confirms it in writing.
What a replica listing shows
A page built on this keyword shows one stock photo, one size and one price. It lists steel and gold versions inside the same image set. Sellers of fakes reuse those images across many pages and many model names. The number in the title is a search term, not a product code.
Checks on any 1815 offered for sale
- Caseback engraving: reference, case number and movement number in the same typeface.
- Balance cock: hand engraved with floral work and the engraver's initials.
- Papers: a signed certificate plus service records from an authorized center.
- Price: new 1815 models sell in the tens of thousands of dollars. A quote near $1,000 points to a fake.
Legal position in the United States
Counterfeit watches are illegal to import and to sell in the US. 18 U.S.C. 2320 covers trafficking in counterfeit goods. Customs and Border Protection can seize a shipment, and the buyer loses the money paid. Service for a fake is not available from the maker, and no authorized center will touch it.
Bottom line
Search "fake 1815 398.032" and you get sales pages, not catalog entries. The 1815 name is real. The number 398.032 is not documented. Confirm any reference with the maker or an auction house before you pay.