Pilot’s Chronograph Doppelchronograph 3711 — Steel, Black Dial

IWC 79030

Richard Habring’s split-secondsSplit-seconds chronographA chronograph with two superimposed timing hands. One can be stopped to read an intermediate time while the other continues; releasing the stopped hand makes it catch up and run together with the other again. This allows comparison of events that start together. version of the Valjoux 7750, the first rattrapanteSplit-seconds chronographA chronograph with two superimposed timing hands. One can be stopped to read an intermediate time while the other continues; releasing the stopped hand makes it catch up and run together with the other again. This allows comparison of events that start together. to use cams for both the chronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. and the split function. Early Doppelchronographs; superseded by the 79230 when regulation changed to Triovis.