For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t simply a product of tech but a evidence to Long lasting excellence and precision. It represents a timepiece that: Provides superb dependability and precision. Though Logan "appreciated Understanding and creating about" MB&File's first chronograph – his introduction publish eloquently broke down https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/