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DEFY 21 ULTRABLUE
The high-frequency El Primero 21 1/100th chronograph in a 44mm matte titanium DEFY case, paired with a blue and black rubber strap. Its automatic movement finished in blue tones features two independent high-frequency escapements beating at 50Hz for the chronograph function and 5Hz for timekeeping.
Ref 97.9001.9004/81.R946
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