The GR factory's new product, developed over three years, features the Jaeger-LeCoultre Master full-function perpetual calendar mechanical movement, replicating the Jaeger-LeCoultre Master Perpetual Calendar Automatic Watch. Adhering to the philosophy of not considering time and cost, it has achieved the use of the imported 9015 movement to replicate all functions of the complex 868 movement, consistent with the official model!.1. Perpetual Calendar Function: An invisible button at the 8 o'clock position allows for the adjustment of the annual calendar through the month. The perpetual calendar year operates normally, facilitating the operation of the annual calendar module. The year display ranges from 2024 to 2029, making it easier to replace the perpetual calendar function module.2. Calendar Disk, Week Disk, and Month Disk Functions:. - 1. The calendar disk displays at the 3 o'clock position and can be adjusted forward by pulling the first gear outwards or backward by reversing the adjustment. *It is not recommended to adjust backwards as it may cause the moon phase disk to skip. - 2. The week disk displays at the 9 o'clock position and can be adjusted backwards through the 24-hour time by pulling out the second gear. - 3. The month disk displays at the 6 o'clock position and can be adjusted via the invisible button at the 8 o'clock position, with a dedicated adjustment lever provided. This allows each of the three functions to be adjusted independently, making it easier to operate while wearing the watch.3. Warning Window Function: Located above the axis of the hands in the center of the dial, a fan-shaped window shows white when the year can be manually adjusted and blue during restricted time periods. It is best not to adjust the year in this zone to avoid damaging the movement's normal lifespan. Therefore, the 868/1 movement is a complex function movement and not a defect, as is the original.4. Moon Phase Disk Function: Positioned at the 12 o'clock location, the moon phase window completes a cycle every 30 days, achieving the true function of a real moon phase. It can be adjusted backwards by pulling out the first gear, effectively solving the problem of the moon phase function not being adjustable independently.Additionally, the adjustment methods for the above functions will come with an instruction card for easier understanding by watch enthusiasts.While emphasizing functional restoration, the aesthetic restoration is also a priority.1. The materials for the case back are made of the same stainless steel as the original, with each component individually crafted using CNC precision to restore the original appearance, maintaining the original 39mm size, with a thickness as close to the original as possible, currently around 10mm, while implementing all complex functions.2. The dial restoration is based on the original dimensions, with markers made from genuine molds, achieving infinite depth and gloss. The size and position of the markers are thoroughly quality controlled, and the three functional disks are crafted to be recessed, making the moon phase and perpetual calendar windows more pronounced in texture. The markers and logo are also consistent with the original, resulting in a slight protruding visual effect, with all dial colors restored to be as consistent as possible.3. The watch features the Dauphine hands, which are the signature pointers of the Jaeger-LeCoultre brand, characterized by a half-sandblasted, half-polished finish. Both the hour and second hands are slightly bent through a micro-pressing process, while the blue steel hands are heat-treated for a purer blue color. The efforts of the GR factory are part of the necessary journey to achieving results, aiming to restore this Jaeger-LeCoultre Master complex perpetual calendar watch as accurately as possible, allowing enthusiasts to appreciate and deeply feel the charm of the timepiece.