Frederique Constant - Highlife COSC Certified CA0438-52E Movement Eco-Drive E031 Functions 3-Hand

Movement Eco-Drive E031 Functions 3-Hand Band Gold-Tone

SKX009 and SKX011 and new Seiko Sports 5 (the SKX replacement)

Includes combination tool plus corkscrew

Rock your T80 on an expansion band

Frederique Constant - Highlife COSC Certified CA0438-52E Movement Eco-Drive E031 Functions 3-HandRarely are watches certified by the COSC (Official Swiss Chronometer Testing 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 organization that only issues its chronometer certificates to these pieces