Q4138130

The Jaeger-LeCoultre Master Control Chronograph Calendar Q4138130 debuted in 2024. It features a stainless steel case of 40.0 mm in diameter, fitted with a silver sunray-brushed dial. Functions include hours, minutes, small seconds, chronograph with 30-minute counter, full calendar (day, date, month), moonphase, and pulsometer scale. This model is powered by the automatic Jaeger-LeCoultre caliber 759. It is delivered on a stainless steel bracelet, with an additional Novonappa® calfskin strap included. Both options are equipped with the brand’s interchangeable quick-release system.