After some serious contemplation, I decided to use a Cape Cod Cloth on the scratched link (quite sinful to some I'm sure) and was careful to tape off all areas I didn't
Amazon.com: Cape Cod Polishing Cloths for Fine Metals | Jewelry Cleaner and Tarnish Remover | Silver Polishing to a Brilliant Shine | Foil Pack of (2) 4x6 Cloths : Health & Household
Cape Cod-Grille de polissage américaine, or, argent, cuivre, bijoux, montre, remise à neuf, métal, réparation des rayures, éclaircissant, essuyage de l'argent - AliExpress
Serviette de polissage American CAPE COD, or, argent, cuivre, bijoux, bracelet de montre en acier inoxydable, rénovation, réparation des rayures métalliques Brighteni - AliExpress
Amazon.com: Cape Cod Polish Co Metal Polishing Cloths Foil Pouch 0.53oz, Stainless Steel : Automotive
WATCH CARE KIT WITH GRAINED LEATHER POUCH - 3 COLORS
Cape Cod Polish - Polissage du métal : Amazon.com.be: Hygiène et Santé
Polywatch - Polishing paste - Scratch remover - Made in Germany