Rolex Day-date Tridor Peach Diamond Marker Dial with Original Guarantee Paper ref 18239BRolex is not known for being a particularly experimental company. That said, every now and then they stepped a little over the edgeone great example being the Tridor models. Introduced in the late 1980s and produced through the 1990s, the Rolex Tridor (three gold) was offered only on the Day Date and Lady Datejust models. These watches never truly took off at the time, but today they have become highly collectible and increasingly appreciated by