We use premium Japanese movements in our watches selected for precision, durability, service availability, and environmental friendliness. The Legacy collection features Citizen's cal. 2035, known for robustness, 3-year battery life and precision. The Momentum collection features Citizen's premium automatic, Cal. 9039, with -10～＋30 sec per day accuracy and a 42-hour run time. The Nostalgia collection is equipped with the top-tier Swiss-made ETA 901.001 movement. The Amorous collection is powered by the high-end Swiss made Sellita SW100A mechanical movement.