Tudor Oysterdate Chronograph Big Block 79180 Full SetThe Steel Tachymeter Collector Set Big Block On offer today is a superb collector set Tudor Big Block; the first automatic chronograph from the WIlsdorf stable a full decade ahead of the reference 16520 Rolex Daytona. The Bog Block comes with the full boat of original accessories, including both boxes, punched papers, original purchase receipt, booklet, wallet and hang tag its a collectors dream! This example houses a sliver dial with black sub