Rolex GMT Master II "Sprite" Oyster 126720VTNROverview The left hand crown that defines the 126720VTNR required Rolex to re engineer the Calibre 3285's date disc orientation and rework the case architecture to place both the crown and date aperture at 9 o'clock. That engineering consequence is why this reference exists as a distinct movement variant, not a reskinned 126710. The result is a watch that divides opinion cleanly you either find the configuration purposeful or unfamiliar, and very few