# watch accuracy

Evaluate marketplace watch quality tiers by examining movement accuracy, service longevity, and the true landed cost beyond the initial sticker price.

A beginner-friendly guide to using Oopbuy Spreadsheet app features to compare high-end watches by materials, build, and condition.

We put Oopbuy Spreadsheet watch movements under the microscope and on the timegrapher to expose the hard data on accuracy, reliability, and longevity across vendors.