Reference:116719BLRO: Difference between revisions

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The case is 40mm in 18k white gold, in the wider "Maxi" architecture that the six-digit sports lineup adopted at the 2008-2010 generational break. The profile matches the 116710LN and the later 126710BLRO exactly. Only the material differs, and white gold makes it substantially heavier than steel.

The bezel is the story. The 116719BLRO was Rolex's first ceramic Pepsi GMT and the first red-and-blue Cerachrom insert the brand brought to market. Rolex had already proved two-colour ceramic with the black-and-blue 116710BLNR, but red~~-and-blue~~ was the harder problem, and ~~solving~~ it here is what made later ceramic Pepsi production possible.

The bezel is the story. The 116719BLRO was Rolex's first ceramic Pepsi GMT and the first red-and-blue Cerachrom insert the brand brought to market. Rolex had already proved two-colour ceramic with the black-and-blue 116710BLNR in 2013, but red was the harder problem. Firing red Cerachrom takes different kiln chemistry from blue, and getting both colours into one insert without a muddy join at the boundary is the patented part of the process. Solving it here is what made later ceramic Pepsi production possible.

The crystal is sapphire with a Cyclops over the date window at 3 o'clock. The crown is a standard Triplock screw-down with crown guards. Water resistance is 100m, unchanged from the five-digit GMT-Master II and consistent across the whole modern ceramic GMT family.

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 The case is 40mm in 18k white gold, in the wider "Maxi" architecture that the six-digit sports lineup adopted at the 2008-2010 generational break. The profile matches the 116710LN and the later 126710BLRO exactly. Only the material differs, and white gold makes it substantially heavier than steel.
-The bezel is the story. The 116719BLRO was Rolex's first ceramic Pepsi GMT and the first red-and-blue Cerachrom insert the brand brought to market. Rolex had already proved two-colour ceramic with the black-and-blue 116710BLNR, but red-and-blue was the harder problem, and solving it here is what made later ceramic Pepsi production possible.
+The bezel is the story. The 116719BLRO was Rolex's first ceramic Pepsi GMT and the first red-and-blue Cerachrom insert the brand brought to market. Rolex had already proved two-colour ceramic with the black-and-blue 116710BLNR in 2013, but red was the harder problem. Firing red Cerachrom takes different kiln chemistry from blue, and getting both colours into one insert without a muddy join at the boundary is the patented part of the process. Solving it here is what made later ceramic Pepsi production possible.
 The crystal is sapphire with a Cyclops over the date window at 3 o'clock. The crown is a standard Triplock screw-down with crown guards. Water resistance is 100m, unchanged from the five-digit GMT-Master II and consistent across the whole modern ceramic GMT family.