
Self-winding mechanical Caliber AL 30-660 S C FUS features a 24-hour alarm, dual time zones, day/night indicators, local date, and sweep seconds. Measuring 31 mm by 6.6 mm, the 574-part movement utilizes 52 jewels, a 21K gold unidirectional rotor, Gyromax balance, and Spiromax spring, offering a 42-52 hour power reserve under the Patek Philippe Seal.