Time to buckle up: The updated Citizen Promaster SST (Split Second Timer) deconstructs the driver’s dashboard and places it on your wrist, a 1/1,000 second chronograph, recall of up to 20 lap times, 99-minute countdown timer, and average speed calculator. #CitizenPromaster | Citizen Watch US

26 reactions | Radio-controlled Technology gives Superior Accuracy CITIZEN launched the world's first multi-band radio-controlled watch in 1993, and remains a pioneer in this field. Combined with our proprietary light-powered Eco-Drive technology, you will get precise time, powered by any light source. | Citizen Watch | Facebook