Plasma high-tech ceramic case and bracelet. Fixed ceramic bezel. Square shape (38 mm diameter). 9.7 mm thick. Automatic mechanical movement. Blue open heart dial with luminous silver-tone hands and index hour markers. Minute markers around the outer rim. Analog dial type. Luminescent coating on hands. Scratch resistant sapphire crystal glass. Transparent case back. Equipped with a fold over clasp featuring safety release mechanism. Water resistant up to 50 meters / 165 feet (limited swimming). Functions display hour, minute, and second indicators.