A sailor's best mate, the Panerai Luminor 1950 Regatta 3 Days Chrono Flyback Automatic watch, includes a handy tachymeter scale to gauge the speed of your wake in nautical knots.

A sailor's best mate, the Panerai Luminor 1950 Regatta 3 Days Chrono Flyback Automatic watch, includes a handy tachymeter scale to gauge the speed of your wake in nautical knots.

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