Breitling A stainless steel chronograph wristwatch with registers no 765 Toptime circa 1980, manual winding movement, fully jewelled, matt-black dial, luminescent baton indexes and skeleton hands, three silvered subsidiary dials for constant seconds, 30 minute and 12 hour register, outer tachymeter scale, circular stainless steel case with stepped bezel, screw on back, twin pushers flanking the crown, case, dial and movement signed with Breitling buckle, diameter 38 mm.