Rolex GMT-Master 38-6542 (Oystersteel Oyster Bracelet, Black Nipple Dial, Pepsi Bakelite Bezel) vs Rolex Datejust 31-278240 (Oystersteel Jubilee Bracelet, Pink Roman Dial, Domed Bezel) (Timepiece Comparison)

Feature	Rolex GMT-Master 38-6542 (Oystersteel Oyster Bracelet, Black Nipple Dial, Pepsi Bakelite Bezel)	Rolex Datejust 31-278240 (Oystersteel Jubilee Bracelet, Pink Roman Dial, Domed Bezel)
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Product
Product Brand	Rolex	Rolex
Product Family	Rolex GMT-Master	Rolex Datejust
Retail Price
Production Status	Out of Production	In Production
Release Year	1955 AD	2020 AD
Production Country	Switzerland	Switzerland
Timepiece
Bezel Color	Red Blue	Silver
Bezel Material	Plastic	Oystersteel
Case Diameter	38 mm	31 mm
Case Material	Oystersteel	Oystersteel
Complication	Day of Month Dual Timezone	Day of Month
Dial Color	Black	Pink
Movement Mechanics	Mechanical	Mechanical
Movement Power	Automatic	Automatic
Strap Color	Silver	Silver
Strap Material	Oystersteel	Oystersteel
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