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Buying Guide

H. Moser & Cie Reference Numbers: Verify a Japanese Listing (2026)

H. Moser reference numbers run XXXX-YYYY, and the first digit is the collection. Decode an H. Moser serial number question and verify a Japanese listing remotely.
2026.10.01
Buying Guide
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.
2026.10.01
Buying from Japan
Buying from Japan

Blancpain Reference Numbers: Verify a Japanese Listing (2026)

A Blancpain reference number decodes into model, case material, and strap. Learn to read all three blocks and verify a Japanese listing against official specs.
2026.10.01
Buying from Japan
Buying Guide

Breguet Reference Numbers: Verify a Japanese Listing (2026)

Read a Breguet reference number: what the metal codes (BA, BB, BR, PT, TI) mean, where the serial and secret signature sit, and how to verify a Japanese listing.
2026.09.30
Buying Guide
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.
2026.09.30
Buying Guide
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.
2026.09.30
Buying Guides
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.
2026.09.29
Buying Guides
Buying Guide

Girard-Perregaux Reference Numbers: Verify a Japanese Listing (2026)

A Girard-Perregaux reference number encodes the model, case material and dial. How to read the caseback and verify a Girard-Perregaux from a Japanese listing, 2026.
2026.09.29
Buying Guide
Buying Guides

Vacheron Constantin Reference Numbers: Verify a Japanese Listing 2026

Read a Vacheron Constantin reference number and serial number from a Japanese listing: metal codes, engraving locations, and why serial dating is only approximate.
2026.09.29
Buying Guides
Buying Guide

A. Lange & Söhne Reference Numbers: Verify a Japanese Listing (2026)

An A. Lange and Söhne reference number is six digits (XXX.XXX). Learn to read the model, metal and generation, and verify the reference against a Japanese listing.
2026.09.28
Buying Guide
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