Rolex

The Rolex Tudor 7021/0 was introduced around 1968 as a replacement to the 7928. This coincides wilt the beginning of the rolex 1680. Tudor the time started to use the ETA movement a workhorse that has stood the test of time. At the same ( as noted by Nico...  

But are you sure the 7021 replaced the 7924? I always thought it was the 7016... Best, Bill. Nicolas.

As the 7021/0 started around 1968. Bill

I thought the 7016 was the successor of the 7928... So, the same year, Tudor released a no date and a date Sub, obviously. Best, Bill. Nicolas

Around 1967 to 1968. I am making the assumption based on seeing some overlap. Curiously there seems to be some very easy swiss only vs t swiss t versions of the 7016/0 with two line shield snow flake. I also have what appears to be a transition 4 line wit... 

I think the 7021/0 was the answer to the 1680. Bill

recently in Rolex AD, quite a refreshing shelf. Thanks for your posts, hope to see 90k like Nico did last year :)) Rgds Raymond

It is a real pleasure to be here. Bill

...of a Tudor Sub you show here! I love these old Subs, and find very interesting reading and info in this thread! Thank you for sharing! All the best, Abel.

Old world charm. HAGWE Bill

I think its the nicest black one I've seen :-) Ross ...  

That is a choice example. Everything is in place. Now does the watch have a story to tell. Can't wait to see more. Bill