[JAEGER - LECOULTRE Watches] KM Jaeger-LeCoultre Lunar Phase Calendar Master 15584 series Two windows at twelve o'clock display the day and month respectively The watch's sub-dial at 6 o'clock can read the moon phase display Seconds are displayed at the edge The watch is made of sapphire crystal glass at the front and back The belt is made of high-quality Italian cowhide The watch buckle is an original folding buckle of the same material as the case The movement is equipped with the same 866 self-winding movement as the genuine one Maximum energy restoration of authentic products