25-jewel ETA Cal. 7750 two button chronograph movement, circular black dial with tachymeter scale enclosing roman numerals, polished hands with black and orange fill, date aperture, subsidiary dials for 30-minute and 12-hour registers and continuous seconds, chronograph activated by rectangular buttons on case band, within an octagonal screw back case with calibrated rotating bezel, screw down crown, maker’s leather strap and steel deployant clasp, with display box, outer packaging, instruction book and guarantee card, case, dial and movement signed. 42mm