Automatic movement Breitling Calibre 01, 47 Jewels, Sapphire crystal resistant to scratches, Analog display with luminous silver-tone hands and index markers on black dial, Minute markers present, Slide rule outer tachymeter markings for calculations, Date window located above the 6 o'clock position, Chronograph function with three sub-dials: seconds, minutes, hours, Bi-directional rotating bezel crafted from stainless steel allowing varied time reading perspectives, Luminous coating on hands and markers ensuring legibility in low light conditions, Black alligator leather strap securely fitted to a round stainless steel case measuring 43 mm in diameter, Column wheel mechanism included for precise chronograph operation, Deployment clasp with push button release provides adjustable comfort and secure fastening, Pull/push crown facilitates setting adjustments without impacting timekeeping accuracy significantly, Approximate power reserve duration of 70 hours ensures extended operation between winding or battery changes if applicable though this watch uses automatic movement hence no battery change needed mentioned here but inherent mechanical endurance noted through the figure provided instead typically expressed as rate per day or hours based on frequency however standard terms used for such complication level are included detailing its performance characteristics, Water resistance up to 30 meters / 100 feet suitable for basic splashes or shallow water exposure not professional diving depths indicated by the bezel being stainless steel and having this feature though primarily analog functions described here including date complication which is analog positioned above the 6 o'clock mark
