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
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