 Throughout the next 40 years, the Submariner was updated with improved water resistance, new movements, and numerous small cosmetic changes.In 2003, Rolex celebrated the Submariner's 50th anniversary by launching the Rolex Submariner-Date anniversary edition (16610 LV), with distinguishing features such as the green bezel and Maxi dial; its production ended in 2010 with the final watches being issued with the new "random" serial number.In 2008, a new case from the GMT II was introduced for the Submariner-Date, featuring heavier lugs and crownguard; a cerachrome bezel and updated clasp featuring a quick adjust function were also added.