Rolex Submariner 5512 Review | Bob's Watches

Rolex Submariner 5512 Review | Bob's Watches The Rolex Submariner first made an appearance in 1953 as one of the world’s very first dive watches, and the first one to achieve a depth rating of 100 meters (330 feet). Within the first few years of the Submariner’s release, Rolex released a number of different references; however it was not until the 1959 launch of the ref. 5512 that Rolex’s legendary dive watch would start to take on what would ultimately become its contemporary form. Prior versions of the Submariner were largely based on Rolex’s existing Turn-O-Graph watch design, meaning that they have 38mm cases without crown-guards. With the arrival of the Rolex Submariner 5512, the case grew to 40mm, water-resistance increased to 200 meters, and crown-guards were added to the side of the case to offer better protection for the winding crown. A case diameter of 40mm and crown-guards have become defining characteristics of the Rolex Submariner collection, and since the introduction of the ref. 5512, every single subsequent Submariner watch has featured these traits. Like its predecessors, the ref. 5512 was a time only watch with a black, luminous dial and a black, bidirectional timing bezel. Powering the very first Submariner 5512 watches was the Caliber 1530 movement, which was later upgraded to the chronometer-rated Caliber 1560 and then Caliber 1570 movements, which ultimately became the key feature that separated the reference 5512 from its more common, non-chronomete