The Jaeger-LeCoultre Master Ultra Thin Perpetual Calendar (20B+P) integrates a perpetual calendar complication within an ultra-thin case, optimizing mechanical complexity and wearability. This design enhances legibility and comfort, supporting precise date, day, month, and leap year indications without manual adjustment until 2100.

Just Serviced: This watch has received a full factory service and comes with a transferable factory service warranty.