Case material: Steel; Charge: Automatic; Conditions: Used Year : 1978; Presentation condition : With dealer guarantee ; Model: GMT Master Price on request Gmtbroker Reference: 1675 A  Stainless Steel Oyster Perpetual GMT-Master Vintage Gents Wristwatch,  matte black dial with hour markers, date at 3 0'clock, red GMT hand, a stainless steel bi-directional rotating bezel with a blue and red  "pepsi"  bezel insert, a stainless steel jubilee   bracelet with a stainless steel deployant clasp, plastic glass, automatic movement, in excellent condition, comes with a Rolex box, our own certificate of authenticity and our own one year warranty. N.B. This vintage piece belonged to Sir Patrick Alfred Caldwell-Moore, an English astronomer who attained a high status in the field as a researcher, writer and television presenter. He was President of the British Astronomical Association having previously served in the Royal Air Force during WWII (World War Two.) Chichester is believed to be his Sir Patrick's resting place. To find this watch in such condition is rare and would make an excellent addition to one's collection.