Five Takeaways From Five Watches, Straight From the Tudor Archive Collection Tudor by wholesalewatches - March 3, 20180 Tudor began producing their own calibers in home (also, it must be noted, independent from older sister brand Rolex) in 2015, initially providing them in their own North Flag game watch and in Pelagos diver's watches. Ever since that time, we've seen the continuous introduction of fabrication calibers during