MOVADO "DATRON HS 360 Steel chronograph watch, tonneau-shaped case, stained black 3-counter dial with applied baton hour markers, date window at 12 o'clock, tachymeter scale. Screw-down caseback. Signed automatic movement, caliber 3019 PHC, the world's first high-frequency automatic movement. Rigid steel bracelet. It is accompanied by its papers. Circa 1975. (scratches, as is for the movement). Diameter: 37.5 mm.