Bill of sale (Kaufvertrag)
The legal document recording the transfer of a watch from seller to buyer. Includes parties, watch identification, price, and date. Required for tax records and dispute resolution; also forms part of provenance for the next owner.
A bill of sale (German Kaufvertrag) is the legal document recording the transfer of a watch from seller to buyer. It is required for tax records and dispute resolution, and forms part of the provenance record passed to the next owner.
What a bill of sale should contain
- Parties. Full legal names and addresses of seller and buyer. For dealers, the trading name and tax registration (USt-IdNr. for EU). For private parties, identification details.
- Watch identification. Reference number, serial number, movement number (if applicable), condition description, accessories included (full set, B&P, watch only).
- Price in a stated currency, plus VAT treatment (Regelbesteuerung, Differenzbesteuerung, Reverse Charge).
- Date of transaction.
- Payment method and confirmation.
- Warranty terms offered by the seller (statutory or extended).
- Signatures from both parties.
For dealer sales in Germany, the bill of sale is usually combined with a tax-compliant invoice. A separate Kaufvertrag may also be issued for legal clarity, especially for high-value private transactions.
When the bill of sale matters
- Tax records. German dealers must retain invoices for 10 years for tax-audit purposes. For the watch itself, the buyer's invoice establishes the original cost basis for resale-margin calculation under § 25a UStG.
- Dispute resolution. A signed bill of sale with detailed condition language is the primary evidence in any later dispute (authenticity failure, hidden condition issues).
- Provenance. The bill of sale is the verifiable record of ownership transfer. For high-value or vintage watches, a complete chain of bills of sale supports the provenance significantly.
- Customs and import. When shipping cross-border, the bill of sale is required for customs declaration. The declared value must match the invoice value.
What to include in condition language
A bill of sale for a pre-owned watch should specify condition exactly:
- "Full set with original box, warranty card, and all accessories."
- "Box and papers; no removed links."
- "Watch only; no original accessories."
- "Service condition: serviced by Rolex 2024-03-15, receipt attached."
- "Originality: original dial, hands, and bezel. Case unpolished. Movement original."
Vague condition language ("good condition") opens room for later dispute. Specific language with reference to physical inspection details (no scratches over 1 mm, lume colour consistent with tritium era, etc.) protects both sides.
Related: ankaufsrechnung, provenance, warranty-card, differenzbesteuerung.