Stainless steel case and bracelet. Blue dial. Date displays at 4 o'clock position. Chronograph. Tachymeter. Dual time function. Alarm function. 120 day power reserve. 5 day low charge warning. Perpetual calendar. Mineral crystal. Push button deployment clasp. Case diameter 44mm. Eco-drive movement. Water resistant at 200 meters (660 feet). Citizen Perpetual Calendar Men's Watch BL5370-51L