In-depth guides for collectors and enthusiasts who want to understand what they’re buying, and why it matters. From movement identification and case materials to brand histories and market dynamics, each guide is written from hands-on experience with the watches themselves. No fluff, no listicles. Just the information you’d want before spending your money.
Bumper movements were the world's first commercial self-winding watches. Here is what they are, why collectors care, and which vintage bumpers are still worth buying.
Learn to identify any vintage watch by its case markings, movement, dial, and serial number, then determine its real market value. Brand-specific tips included.