CHRONOMASTER El Primero Open
Automatic El Primero column-wheel chronograph movement Opening revealing the legendary beating heart of the El Primero movement Silicon escape-wheel and lever COSC-certified movement
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STEEL & RUBBER, BLACK DIAL
The emblematic Chronomaster El Primero in a stainless steel with a rubber strap, housing a black dial featuring an opening to reveal the regulating organ with silicon escape wheel and lever, fixed on a rubber strap.
- 42 MMDiameter