Lings 21 Prix - Telemeter - stopwatch - Made between 1950-1959, Looks and works very well for its age Beautiful and very rare Swiss movement in its condition (but not perfect) - the two side buttons are to control the start and stop of the watch and can be used as a stopwatch. The dial has a scratch from 2 to 4 o'clock, barely visible, only from certain positions, it has a blue telemeter on the outside and red on the inside. 9 o'clock may have a needle to record a period of time, The diameter with crown is 39 mm, the diameter without crown is 37 mm It was repaired by a professional watchmaker. The strap is new, black, I am not a professional photographer and I hope the photos speak for themselves. I send the package with tracking and insurance.