authentication

Buying from Japan

Cartier Reference Number Explained: How to Verify a Japanese Listing

How to decode a Cartier reference number and verify it against a Japanese pre-owned listing in 2026, when Cartier has no public serial lookup.
Buying from Japan

Types of Second-Hand Watch Shops in Japan (2026 Guide)

The same watch carries different risk depending on the shop behind the listing. This guide decodes the types of second-hand watch shops in Japan for remote buyers.
Buying Guide

Is a Pre-Owned Rolex from Japan Certified? RCPO vs Japan Market (2026)

A pre-owned Rolex from Japan is authentic but not RCPO-certified. Japan has just one RCPO retailer — see the 2026 premium data and what substitutes for the seal.
Guides

Tudor Reference Number Explained: How to Verify a Japanese Listing

Learn how to read a Tudor reference number, tell it apart from the serial number, and use it to verify a Japanese pre-owned listing before you pay.
Buying from Japan

Vintage Seiko from Japan: How to Date It and Spot Redials (2026)

Vintage Seiko from Japan: date it by serial and caliber, and spot the redials and franken watches common in Japanese listings before you pay.
Buying Guides

Omega Reference Number Explained: How to Verify a Japanese Listing

Omega reference number explained: how to read the 14-digit PIC, tell it from the serial, and sanity-check a Japanese pre-owned listing before buying from abroad.
Buying from Japan

Rolex Reference Number Explained: How to Verify a Japanese Listing

The Rolex reference number explained for buyers sourcing from Japan: what each digit encodes, reference vs serial, and how to verify a pre-owned listing.
Buying Guide

How to Authenticate a Watch When Buying from Japan in 2026

How to authenticate a watch from Japan when buying remotely: what photos and a serial number can prove, and the one step that actually verifies it.
Buying from Japan

Proxy Service Watch Buying: Is Buyee Safe or Not?

A proxy service like Buyee or ZenMarket forwards your watch but excludes authentication and dispute recourse by its own terms, and how inspected sourcing differs.