The Jaeger-LeCoultre Master Grande Tradition Gyrotourbillon Westminster Perpetual watch was released in 2019. It has some impressive features, like a constant force Gyrotourbillon, a minute repeater with a Westminster chime that plays four melodies, and a handy perpetual calendar that can be adjusted in both directions. The case is 43mm wide and 14mm tall, and the Reference 52534E1 has a sleek white gold case and a stylish blue enamel guilloché dial.