Universal. A stainless steel manual wind chronograph wristwatch
Compur, Movement No.182447, Circa 1950
Jewelled manual wind movement with column wheel chronograph, silvered dial with black Arabic numerals, black outer 1/5th second track and 1000 to 60 tachymeter scale, black inner 60 to 20 tachymeter snail, blued steel leaf hands and centre chronograph hand, subsidiary dials at 3 and 9 for running seconds and 45 minute recording, polished tonneau shaped case with snap down back and faceted lugs, crown flanked by twin rectangular chronograph buttons, fitted brown leather strap and plated buckle, case, dial and movement signed 37mm.