240 C LU CL LCSO

The Patek Philippe 240 C LU CL LCSO is an automatic astronomical movement designed for the Celestial model, featuring a sky chart, sunrise/sunset times, daylight savings adjustments, solar time, date, moon phases, and various lunar/stellar tracking. Based on the slim 240 caliber, this 38 mm wide and 7.93 mm thick movement utilizes a 22K gold off-center mini-rotor to provide a 38 to 48-hour power reserve. Comprising 426 components and 51 jewels, it beats at 21,600 vph and features a Gyromax balance, Spiromax spring, and the Patek Philippe Seal. This movement is defined by its complex astronomical displays, including a sapphire-crystal northern hemisphere sky chart and specialized mechanisms for sunrise, sunset, and time-zone corrections, developed over five years with six patents filed.