Jaeger LeCoultre Master Q7002420

The Q7002420 represents the Master Ultra Thin Moon within Jaeger LeCoultre's Ultra Thin series, distinguished by its moon phase complication housed in a 39mm stainless steel case. This reference combines the brand's ultra-thin case architecture with astronomical functionality, positioning it as a dress watch with additional complications. The 39mm stainless steel case houses an automatic movement and features a silver dial protected by sapphire crystal. The watch maintains 50 meters of water resistance and utilizes a fixed bezel construction. The stainless steel case material provides durability while supporting the ultra-thin profile characteristic of this series. This reference appeals to collectors seeking a moon phase complication in a refined 39mm format. The stainless steel construction offers accessibility compared to precious metal variants, while the silver dial provides versatility for formal wear. The combination of automatic movement and moon phase display targets those prioritizing both mechanical interest and practical daily wear functionality.