Later examples also did away with lug holes, and the latest generation watches sometimes featured the then-new Rolex cal. 3186 that would be fitted to Cerachrom-bezel references. From 2000 ...

The previous version of the GMT was equipped with the Caliber 3186 and did not come with the Chronery escapement and therefore had a power reserve of only 48 hours. The GMT-Master, a Rolex icon ...

The Rolex Batman is a Rollie favourite for good ... along a new 3285 caliber that replaced the original 3186, plus a 70-hour-power reserve (compared to the 50 of the older edition).

Skeleton Concept, a handcraft atelier that specializes in watch customization, has teamed up with NBA legend Dennis Rodman for a custom limited-edition Rolex GMT ... the 3186 Caliber of Dennis ...

Needless to say, the Rolex was a stand-out ... Built on the caliber 3186 self-winding automatic movement, the GMT-Master Ice has a 50-hour power reserve. And sure, $485+K is a lot of money ...