V series (2009), this is one of the last batch of ref 16570 before discontinued in 2010 and replaced by the new, 42mm "maxi case". It is considered quite rare, having new caliber 3186 with parachrom hairspring. The endlinks also solid, makes the watch fee...
The Explorer ii is “the” sports Rolex. The 40mm case size is right up my alley, can’t fit the new maxi case on my mini wrist. With your new datejust this might be a 2 watch collection to cover nearly all the bases.