Tudor. A very fine and rare stainless steel manual wind chronograph wristwatch with calendar
Oysterdate, Ref: 7031/0, Case No. 759394, Circa 1970s
17-jewel, Cal. 7734, manual wind chronograph, monometallic balance, self compensating balance spring, cam lever chronograph, grey dial with outer minute chapter ring in orange Arabic numerals, black and orange sub dial for 45 minute chronograph register, luminous spade hour marker, baton luminous hour and minute hands, orange chronograph hand, date aperture at 6 o'clock, plastic crystal with cyclop at 6, polished stainless steel case, screw down case back, tachymeter bezel, screw in crown and chronograph pushers, stainless steel bracelet with folding buckle, case, dial and movement signed 39mm.