Chronograph 5070 — Yellow Gold (5070J)

Patek Philippe CH 27-70

Patek’s chronographChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. on the Lemania 2310 column-wheelColumn wheelA chronograph control system that coordinates the operating levers; a cam system is an alternative construction. ébaucheÉbaucheAn incomplete movement supplied for further work before it becomes a finished watch mechanism. The parts included in an ébauche have varied by period and supplier; the term does not by itself specify a complete, assembled movement. (27 mm), used from the mid-1980s until 2011 with calendar and split-seconds additions; in plain form it powers the ref. 5070. 18,000 vph, about 40 hours of reserve.