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In the Safe Dive system the outer bezel carries no markings; it serves just as a control system for the inner bezel.2014 also saw the introduction of the third iteration of the "Deep" series of mechanical depth gauge watches.The 2000 meter water-resistant Ocean 2000 of 1983 was a revolutionary watch, and it was produced in several different versions.Two regular production civilian models were made, from 1982 to 1998; these were the Porsche Design Ocean 2000, and the Ocean 500.
The very first Aquatimer, reference 812A, was water resistant to 200 meters and had an internal rotating bezel, in a two-crown Super Compressor-style case.
It's also a chronograph, with the hour and minute totalizers combined in a subdial at .
The perpetual calendar is not generally thought of as a complication particularly suitable for a sports watch, however the digital configuration used by IWC certainly lends itself better to such an application than any traditional perpetual calendar design.
The major launches this year at the SIHH were a revamped Da Vinci collection, not a refresh of the Aquatimer (which would have been timely but perhaps premature given the fact that the entire line was updated only three years ago, with a commitment to a new bezel design that it would probably not have made very much sense to abandon or significantly revise).
However, IWC has announced a new case material, and a new, very complicated watch to go with it: the Aquatimer Perpetual Calendar Digital Date-Month Edition “50 Years Aquatimer." The 50 Years Aquatimer uses IWC's caliber 89802; this is a perpetual calendar with a two digit, digital indication of the month and the date, as well as a digital leap year indication.