The Ralph Lauren Sporting Chronograph Steel Guilloché model is available in 39mm and 45mm case diameters. The steel bezel and silvery opaline dial feature beautiful guilloché-work. The stainless steel case features both polished and brushed finishes, and 6 screws which secure the bezel. The dial has elegant roman numeral hour markers and Breguet style hands. The sapphire crystal protecting the dial is convex (curved), and a has external and internal colorless anti-reflective treatment.
Inside, is a robust manufacture movement, the RL750, made for Ralph Lauren by Jaeger-LeCoultre. It is a self-winding column-wheel chronograph that runs at 28,800 vph (4 Hz), with 261 components and a power-reserve of 48 hours. The sapphire crystal back, secured by 6 screws, allows a perfect view of the mechanical movement, including the Côtes de Genève (Geneva stripes) and perlage (circular graining).
Inside, is a robust manufacture movement, the RL750, made for Ralph Lauren by Jaeger-LeCoultre. It is a self-winding column-wheel chronograph that runs at 28,800 vph (4 Hz), with 261 components and a power-reserve of 48 hours. The sapphire crystal back, secured by 6 screws, allows a perfect view of the mechanical movement, including the Côtes de Genève (Geneva stripes) and perlage (circular graining).
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