This rare submariner 16800 was one of the very first Subs to have the sapphire crystal glass. We are very proud to offer such a pristine example with serial 737**** Dating the watch to 1982. This watch is in absolutely amazing condition still baring the original rolex chamfers on the shoulders of the watch case, proving its been a very rarely worn watch. These 16800 subs are a sure investment piece and values are already on the increase and very sought after by collectors. Untouched all original examples like this are near impossible to find !! This watch has been Rolex London serviced in 2002 and also in 2012.