RL-4445-C3B Black face with white detail and red timing hand; Tachymeter function allows you to measure speed between two pre-determined points.Stopwatch measuring up to 11 hours 59.59 minutes;100 metres water resistant, with screw lock back; Side Push button Safety Clasp; 2 year Royal London UK guarantee; Approx size: 40mm x 40mm x 11.5mm - Approx weight: 155g. Our price includes insured UK Next working day delivery and a bracelet adjuster with instructions. The watch comes in a superb blue Royal London presentation box with padded interior; Perfect as a gift for any occasion.