Colourful 1970’s sports stop watch by Hanhart of Germany. In the original box, like new. Mechanical with a wind-up mechanism on the back. Green button start, red stops and black for reset. Good working order. Measures 5,5 cm / 2 1/4 inches. Has the original paperwork, sold in 1974. Cal. 752. The yellow part is to keep track of the elapsed minutes. Ticks at 1.5 of a second an will continue to do so for a long time! Who can go without?