Two options really............
Buy another link off ebay or take it to an AD and they may even have a spare which they might fit for free.
Depends if you use an AD regularly I guess...........or if you have a few to choose from.
At least, if the other screws are tight, the bracelet won't fall apart.
Unless someone else has a spare here.
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Aerospace Titanium & Gold - Grey Face
B-1 on Fighter/Blue Shark - Blue Face
Emergency on Pro - Yellow Face
To complete the collection:
Navi 01 46/Black leather - Black/white
Montbrillant Datora/Navi - White face
LEARNING.......EVERY DAY