Mechanical Stopwatch: Single Action Mechanical (1/10 Sec) 15 min Regis – Marathon Watch
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Amazon.com: Sport Stopwatch Timer with 100X2laps Split Memory/0.001second Timing,Professional Recall Stop Watch Large Display Alarm Clock Multifunctional for Coach Referee Swimming Running Marathon Competition : Sports & Outdoors
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IWC SCHAFFHAUSEN Pilot's Mark XVIII Top Gun Edition 'SFTI' Limited Edition Automatic 41mm Ceramic and Textile Watch with Stopwatch, Ref. No. IW324711 for Men | MR PORTER