This Excelsior Park stopwatch or chronograph is in perfect working order, and is most probably made around 1955. Excelsior Park is a famous swiss watch brand, founded in 1911 in Saint-Imier, Switzerland. This stopwatch has a diameter of 50,5mm (without the crown) , the thickness is 16,5mm and the weight is 78 grams. It is made of chromed metal. The large central pointer is for counting the seconds and the small pointer is for counting the minutes. the pusher/crown is for winding the movement (turn) and for start-stop-reset the movement (push) This Excelsior Park is working just fine! No box and papers. Will be very well packed, and shipped with registered mail.