131.15.29.20.55.001Ref

Released in late 2018, this 29mm stainless steel Constellation Manhattan Co-Axial Master Chronometer includes a diamond-set bezel and a mother-of-pearl dial with diamond indices, a date window at 6 o'clock, and hour, minute, and second hands. It is powered by the METAS-certified caliber 8700, which offers a 50-hour power reserve, magnetic resistance up to 15,000 gauss, and visibility through a transparent case back, all presented on a steel bracelet.