For Timepiece aficionados and connoisseurs, a COSC-validated timepiece isn’t just a item of tech but a proof to lasting excellence and accuracy. It represents a timepiece that: Delivers great dependability and precision. Whilst Logan "appreciated Finding out and writing about" MB&File's to start with chronograph – his introduction post eloquently https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/