Reference Guides Oris Reference Numbers: Verify a Japanese Listing (2026)
How to decode an Oris speaking-number reference (movement, case, material codes), read the serial, and check warranty before buying from a Japanese listing.
serial number
Reference Guides Buying from Japan NOMOS Glashütte Reference Numbers: Verify a Japanese Listing (2026)
NOMOS Glashütte reference numbers group by model family, not one universal code. See the blocks, read one reference end to end, and verify a Japanese NOMOS listing.
Buying from Japan Glashütte Original Reference Numbers: Verify a Japanese Listing
Read a Glashütte Original reference number from a Japanese listing in 2026: a segment-by-segment decode, a real-reference table, and where the serial is engraved.
Buying Guide Chopard Reference Numbers: Verify a Japanese Listing (2026)
Read a Chopard reference number and serial number, decode the metal code, and verify a Japanese listing before you buy. Why there is no public Chopard serial lookup.
Buying Guides Ulysse Nardin Reference Numbers: Verify a Japanese Listing (2026)
Ulysse Nardin reference numbers encode caliber, case, and dial, but there is no public serial lookup. How to read one and verify a Japanese listing in 2026.
Buying Guides Piaget Reference Numbers: Verify a Japanese Listing (2026)
How to read a Piaget reference number and serial number, decode vintage cal-code references, and verify a Japanese Piaget listing before you buy from abroad in 2026.
Buying from Japan Watch Reference Numbers: How to Read a Japanese Listing (2026)
How to read a watch reference number, tell it apart from the serial and caliber numbers, and verify it against a Japanese listing (品番, 型番) before buying from Japan.
Buying from Japan TAG Heuer Reference Numbers: Verify a Japanese Listing
A TAG Heuer reference number decodes collection, movement and case, but the serial number alone does not give a production year. Verify it before you pay.
Buying from Japan Panerai Reference Number Explained: How to Verify a Japanese Listing
A Panerai reference number (PAM code) names the model but is not engraved on the watch. This guide shows how to verify one against a Japanese listing.
Buying from Japan IWC Reference Number Explained: How to Verify a Japanese Listing
An IWC reference number (IW plus six digits) shows a watch configuration but cannot date or authenticate it. Verify it against a Japanese listing before you pay.