GMT 16700 - different date wheels

[HKS724]

Hey all,

I just purchased a 16700 and was wondering aside from the vintage open 6s and 9s date wheel, were there more than one variant of the modern date wheels? Any knowledge would be lovely! Thanks.

This is a S serial (c. 1993) - the numerals seem to a bit bolder but smaller


And a U (c. 1997)





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