GMT-Master 'Captain Warren', Reference 6542 | An advert worn stainless steel dual time zone wristwatch with date and bakelite bezel | Circa 1958 | 勞力士 | GMT-Master 'Captain Warren' 型號6542 | 精鋼兩地時間腕錶備日期顯示及人造樹膠錶圈,製作年份約1958
The GMT-Master Ref. 6542 Is A Classic Watch Known Throughout The World.
First Rolex GMT-Master, Reference 6542, And Why The Gold Version Is Much More Desirable - Quill & Pad
1958 Rolex GMT-Master Bakelite ref. 6542 Retailed by Serpico Y Laino - Lunar Oyster - Buying and Selling
Rolex GMT-Master 6542 Tropical Dial – Bulang and Sons