JULES JüRGENSEN gents wristwatch with chronograph, manual winding, Switzerland around 1975, reference M83-220, cushion-shaped stainless steel case including original bracelet with deployant clasp, black contrast dial with silvered sub-dials, tachometer graduation, 17 jewels, calibre Valjoux 7733, measures approx. 41 x 37 mm, original box & papers, condition 2, property of a collector