Black stainless steel case and bracelet with fixed black bezel. Analog dial features black hands, index hour markers, minute markers on the outer rim, date display at 3 o'clock position, subdials for signal reception (atomic) status, summer time indicator, and perpetual calendar functionality. Powered by Citizen Caliber Eco-Drive H145 movement which includes radio-controlled atomic time synchronization and is solar-powered. Equipped with scratch-resistant sapphire crystal glass. Solid case back. Round shape measuring 43 mm in diameter and 10 mm thick. Secured with a fold-over clasp featuring safety release mechanism. Water resistant up to 100 meters (approximately 330 feet). Functions include perpetual calendar, atomic time synchronization, world time display including GMT capability for second time zone, standard analog functions (hour, minute, second), and is designed as a sport watch.