42.00 x 35.00 mm case dimensions, ridged cream dial, linear chain driven hour indication on left side aperture, black Arabic numerals, subdial on right for minute indication, exhibition case back, 25 jewel self-winding movement signed Otium SWISS MADE, black leather strap signed Otium, steel tang buckle signed Otium. 6 3/4-8 inches long.
Case back stamp: MADE IN GERMANY STAINLESS STEEL Otium 0163 LINEAR.