The Timepiece Journal

The Royal Oak is one of the most counterfeited luxury sports watches in the world. This guide covers 11 specific authentication tests — from the octagonal bezel to the movement — to help you verify any AP Royal Oak before buying.

IWC Schaffhausen — maker of the Portugieser, Pilot's Watch, and Aquatimer — is increasingly targeted by counterfeiters. This guide covers 10 specific authentication tests to verify any IWC watch before buying.

Patek Philippe is the most prestigious watch brand in the world — and one of the most counterfeited. This guide covers 10 specific authentication tests to verify any Patek Philippe before buying, from the dial finishing to the movement.