Early Chronographs (pre-Daytona) 6034

Released in 1950, three years before the Submariner: a three-register Oyster chronographChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. on the Valjoux 72 with registers overlapping the telemeterTelemeterA scale estimating distance from the interval between seeing an event and hearing its sound, such as lightning followed by thunder. and tachymeterA chronograph scale that converts the time taken to travel a known distance into average speed. The distance and scale units must correspond. scales and “Antimagnetic” on the dial. Smooth , round pushers, screw-down back. With the 6234 it set the Daytona template.