Silver-tone stainless steel case, black leather strap. Bi-directional rotating silver-tone stainless steel bezel. Black dial featuring silver-tone hands and Arabic numeral hour markers with minute markers around the outer rim; analog display type. Luminous coating on indicators for night readability. Date window at the 4 to 5 o'clock position. Chronograph movement equipped with three sub-dials: one for 60-second, one for 30-minute, and one for 12-hour timing. Breitling Calibre 01 automatic mechanical movement; powered by an automatic winding system. Movement includes column wheel component. Containing 47 jewels within its structure composed of numerous parts (approx. 346). Beats per hour: 28800 vph. Power reserve approx. 70 hours. Scratch resistant sapphire crystal lens. Screw-down winding/crown with cyclops safety dome. Transparent case back allowing visibility of the movement and mechanism. Round shaped, 43mm diameter case. Secure fold over clasp closure system (with safety release). Water resistance up to 100 meters / 330 feet depth.