Jaeger-Lecoultre JJF - Original Weight Moon Phase Master .Jaeger-LeCoultre Moon Phase Master Series .The latest version from JJF Factory features an original weight edition, with a size of 39MM and a thickness of 9.6MM, currently the thinnest and closest to the original available on the market.1. The movement uses the Dandong integrated Cal. movement, synchronized with the official model, and features finely engraved filled lettering on the back, restoring the details! It is not a modification of other generic movements or deck movements available on the market.2. The case is made of L-grade stainless steel with a split-type CNC processing that provides an almost perfect slimness and a clean finish! .3. The strap is made of genuine Italian calf leather and has been upgraded to the latest quick-release version, with a buckle that opens just like the original, and an increased curvature for enhanced wearability and comfort.4. The slightly curved dial features a sunburst pattern with enamel polishing, and the logo has been upgraded from the previously printed version to a three-dimensional metal logo, enhancing the overall texture and details significantly! .JJF Factory strives for perfection and invites you to experience the Moon Phase Master that is closest to the original!