1171 Novolink were fitted on Seamaster Cosmic 2000 166.0128 (676 endlink), 166.0129 (676 endlink) and 166.0130 (677 endlink).
As any other 1171, it should fit 633 endlinks.
Yours is simply not a Novolink (widest link is obviously not 20mm), but some parts put together...
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