Frederique Constant Highlife Automatic COSC 41mm Watch GradForHim The curved mineral glass enhances

The curved mineral glass enhances the watch's elegance

which has achieved the industry’s highest standards of precision

with a deployant clasp and pushers

• Jewels: 6

The expansion of the HydroConquest line emphasizes Longines' dedication to merging timeless design with horological advancements

Frederique Constant Highlife Automatic COSC 41mm Watch GradForHim The curved mineral glass enhancesTesting Institute). This certificate is only issued to pieces that can guarantee perfect isochronism over a given time and at given positions in effect, their ability to tell the time correctly, consistently and precisely, within the strict limits enforced by an ISO standard. The COSC is an independent Swiss organisation that only issues its chronometer certificates to these pieces after the watches have undergone numerous tests over several days.