Bonhams 1793 : Rolex. A fine and rare stainless steel dual time calendar automatic bracelet watch Oyster Perpetual GMT Master, Ref:1675, Case No.1802758, Movement No.D005165, Circa 1965

Oyster Perpetual GMT Master, Ref:1675, Case No.1802758, Movement No.D005165, Circa 1965
26-jewel Cal.1570 automatic movement adjusted to five positions and temperature, later Rolex black matte dial signed 'GMT-Master' luminous hour markers, outer five minute divisions, luminous filled Mercedes hands, centre seconds, red 24-hour hand, magnified date aperture, brushed and polished case, screw down case back, later Rolex blue and red bi-rotating 24-hour bezel, Twinlock crown, case, fitted stainless steel Oyster bracelet with folding clasp, case, dial and movement signed
39mm.

Estimate:

HK$ 39,000 - 46,000
US$ 5,000 - 5,900
£3,300 - 3,900