Audemars Piguet Royal Oak Offshore Grande Complication watch hands-on practice “Welcome back to the original function of aBlogtoWatch, my first Holy Grail watch.” Well, no, this is not entirely true. This is not another chapter in our Grail Watch series, but then again, it may be. At the end of last year, while visiting the highly exclusive London watch retailer Marcus and interviewing them for our watch purchase series, I had a very rare opportunity to encounter a highly elusive piece, which has long been my first choice “Watch” List”: Audemars Piguet Royal Oak Offshore Grande Complication. In any sense of these words, it is magnificent and complex. The huge…