La Joux-Perret G101

G101 is an automatic caliber manufactured by La Joux-Perret. It is the no-date variant of the G100, sharing the same specifications: 25.6mm diameter, 4.45mm thickness, 28,800 vph frequency, 68-hour power reserve, and 24 jewels. The movement features hand-winding, hacking seconds, KIF shock protection, ETACRON regulation, and a tungsten rotor. It is produced in-house by the Citizen-owned Swiss manufacturer. Currently in production, G101 powers watches from Farer, Furlan Marri Sector, and the MB&F M.A.D.1S (2024).