The Master Control Chronograph Calendar merges timeless 1950s design with contemporary functionality. This 40mm stainless steel timepiece features a striking sunray blue dial with moonphase indicator, pulsometer, and 30-minute counter—all framed by polished rhodium numerals. Powered by the prestigious Jaeger-LeCoultre 759 calibre movement with an impressive 65-hour power reserve, it delivers reliability you can trust. The quick-change interchangeable bracelet system adapts to your lifestyle, while the secure double folding buckle ensures confidence through every adventure. Water resistant to 50 metres, this is a watch that honors watchmaking heritage without compromising on modern versatility and precision engineering.