Omega, a gentleman's oversized stainless steel Seamaster 600m Professional wristwatch circa 1970's Ploprof, automatic, circular dark blue matt dial, painted white luminous batons, centre sweep seconds, circular locking rotating bezel calibrated for 60 minutes, large red button for releasing bezel, shaped monobloc water-resistant-type case, screw-down safety crown, date aperture, mesh bracelet with folding clasp.