The high-frequency El Primero 21 1/100th chronograph crafted in a light yet rugged 44mm carbon fiber DEFY case with a black rubber strap. Its automatic movement features two independent high-frequency escapements beating at 50Hz for the chronograph function and 5Hz for timekeeping.
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Rolex GMT-Master II M126713GRNR-0001″ Black Adam “Oystersteel and Yellow Gold
Omega Speedmaster MOONPHASE CO‑AXIAL MASTER CHRONOMETER MOONPHASE CHRONOGRAPH Ref# 304.30.44.52.01.001
Zenith Defy 21 on Black Ceramic Bracelet – 49.9000.9004/78.M9000 





