Watches and Wonders 2026 : the COSC reveals the inner workings of its certifications
Excellence put to the test of reality. Expertise is no longer explained. It is demonstrated.


01.09.2025
where precision and rigor turn into a test of speed and reflexes. Pixels fly, levels unfold… and you, player, are thrown into the heart of the action.
Each level is a unique challenge—a deeper dive into the daily operations of the COSC, where Swiss Made watches earn the prestigious label, Chronometer Officially Certified.
Level 1 Measuring Precision : Can you reach ultimate accuracy? A split second of hesitation, and it’s already too late!”
Level 2: Automatic Winding – The machines are set, the systems engaged. Try winding a movement as fast as the COSC machines… but watch out for cramps!
Level 3 : Positioning the movements– No room for error: place each movement in the correct position, or it’s Game Over. Just like at the COSC, the slightest mistake blocks certification. Every move counts.
💥 Faster, always faster!💥 The COSC Arcade immerses you in a challenge where only your precision and skill can put you at the top of the leaderboard.
👉 PRESS START AND TRY TO BEAT COSC ACCURACY !
