Anything worth getting in Japan (Tokyo)

[dtctan]

Is it size like cc ?

Yup, you are right.

[dtctan]

Alright outstanding :
Rolex old cert size like BC :
Rolex new cert size like IC:
Now you can bring along with you:
Don't leave home without it outstanding !!

Oh I didn't know that old cert is really a certificate, thanks for enlightenment but I think is more convenience this way