Yesterday, I saw a box of 6 Speedmasters: 5 CK 2998, one 105 003.
I didn't have the time to take all of them in picture, but only two.
Here is one, which is a bomb.
The straight hands in the subdials suggest that it is a /3 and above. Not sure about the tachymeter, which should be " Base 1000 " instead of " Base 500 "?
I am not expert enough.
But this one is a great looking Speedie:
Isn't it?
Best,
Nicolas