CLASSICTIMER Crown stopper - pulse/breathing 1/10 sec. This stopwatch is specially designed for pulse and respiration measurement. The measurement is based on 15 pulse beats or 5 breaths. Diamond-turned, chrome-plated brass case, shock-, dust- and water-resistant. Technical details: Pin anchor, 7 jewels 1/10 sec. 30 min. Case Ø 55 mm, weight 120 g
