UNIVERSAL GENEVE rare gents wristwatch Monodatic with bumper automatic, Switzerland around 1955, 3-piece construction case, snap on case back and bezel, silvered duoton-dial with raised indexes due to age spotty/patinated, display of hours, minutes constant second & date, 17 jewels, calibre 138C, screw balance, flat hairspring, incablock shock-absorber, diameter approx. 34 mm, signs of use due to age, condition case 2 -3, condition movement 2