US$ 147.50
Watch Movement: Quartz Analog
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Marine Sports
Crystal Material: Sapphire
Frederique Constant - Highlife COSC Certified Skyhawk Watch Movement: Quartz AnalogRarely 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
US$ 147.50
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