![Bonhams : Rolex. A rare stainless steel automatic calendar bracelet watch with dual time zone and bakelite bezel GMT Master, Ref 6542, Circa 1957 Bonhams : Rolex. A rare stainless steel automatic calendar bracelet watch with dual time zone and bakelite bezel GMT Master, Ref 6542, Circa 1957](https://img1.bonhams.com/image?src=Images/live/2018-11/19/24822017-13-2.jpg&height=430&quality=90)
Bonhams : Rolex. A rare stainless steel automatic calendar bracelet watch with dual time zone and bakelite bezel GMT Master, Ref 6542, Circa 1957
![Bonhams : Rolex. A fine and rare stainless steel automatic calendar dual time bracelet watch with bakelite bezel GMT Master, Ref 6542, Purchased 18th December 1957 Bonhams : Rolex. A fine and rare stainless steel automatic calendar dual time bracelet watch with bakelite bezel GMT Master, Ref 6542, Purchased 18th December 1957](https://img1.bonhams.com/image?src=Images/live/2022-01/31/60129799-3-3.jpg&height=430&quality=90)
Bonhams : Rolex. A fine and rare stainless steel automatic calendar dual time bracelet watch with bakelite bezel GMT Master, Ref 6542, Purchased 18th December 1957
![Reference 6542 GMT-Master | A stainless steel automatic dual time wristwatch with date, bracelet, and bakelite bezel, Circa 1956 | Important Watches | 2023 | Sotheby's Reference 6542 GMT-Master | A stainless steel automatic dual time wristwatch with date, bracelet, and bakelite bezel, Circa 1956 | Important Watches | 2023 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/39b7ee4/2147483647/strip/true/crop/2000x2000+0+0/resize/4096x4096!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fwebnative%2Fimages%2F5d%2Fde%2Fb7d2718e4d5cbb9f353c574776d0%2Fn11273-ctwck-01.jpg)
Reference 6542 GMT-Master | A stainless steel automatic dual time wristwatch with date, bracelet, and bakelite bezel, Circa 1956 | Important Watches | 2023 | Sotheby's
![Bonhams : Rolex. A rare 'Barn Find' stainless steel automatic calendar dual time watch with bakelite bezel GMT Master, Ref 6524, 1957 Bonhams : Rolex. A rare 'Barn Find' stainless steel automatic calendar dual time watch with bakelite bezel GMT Master, Ref 6524, 1957](https://img1.bonhams.com/image?src=Images/live/2020-11/19/25002414-1-3.jpg&height=430&quality=90)
Bonhams : Rolex. A rare 'Barn Find' stainless steel automatic calendar dual time watch with bakelite bezel GMT Master, Ref 6524, 1957
![On The Block: Gold Rolex GMT Ref. 6542 With Bakelite Bezel At Sotheby's New York (Live Pics) - Hodinkee On The Block: Gold Rolex GMT Ref. 6542 With Bakelite Bezel At Sotheby's New York (Live Pics) - Hodinkee](https://cdn.hodinkee.com/uploads/block/gallery_entry/content_image/14/Sothebys_Fall13_092.jpg)
On The Block: Gold Rolex GMT Ref. 6542 With Bakelite Bezel At Sotheby's New York (Live Pics) - Hodinkee
![Rolex GMT-Master ref 6542 Bakelite Bezel Radium Tested for Price on request for sale from a Trusted Seller on Chrono24 Rolex GMT-Master ref 6542 Bakelite Bezel Radium Tested for Price on request for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/20294050-jtboppqoz7ztf1ivblria3qg-ExtraLarge.jpg)