Frederique Constant Highlife Automatic Cosc Mens Watch FC-303BL4NH6B Mens background-attachment:scroll}#html-body [data-pb-style=KV2MYSS]{text-align:center}Emerald Cut Lab Grown

background-attachment:scroll}#html-body [data-pb-style=KV2MYSS]{text-align:center}Emerald Cut Lab Grown Diamond Engagement Ring

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Case Material: yellow PVD-finished stainless steel

Hands - Black hands

It was a time of rapid change throughout the world

Frederique Constant Highlife Automatic Cosc Mens Watch FC-303BL4NH6B Mens background-attachment:scroll}#html-body [data-pb-style=KV2MYSS]{text-align:center}Emerald Cut Lab GrownRarely 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 organisation that only issues its chronometer certificates to these pieces