For 2024, Jaeger-LeCoultre has combined a chronograph, moonphase, day-night indicator, and
link a flying seconds (seconde foudroyante) at 6 o'clock that runs when the chronograph is engaged, and is accurate to 1/6th of a second. A lot is going on with the Duometre Chronograph Moon, inside and out. JLC is offering a rose gold version
link with opaline dial ($70,000) and a platinum version with
link copper dial ($86,000).