Plastic Restorer for Long-Lasting, Deep Black Results – Restores Faded Plastic, Rubber & Vinyl with UV Protection, Non-Greasy Formula + Foam Applicator, 8oz

Never had chlorine issues but something oily should work I guess. This should work too https://a.co/d/09XEjLN8

Get yourself an ultrasonic cleaner, and I recommend removing the bezel and strap for a better cleaning. Then treat the resin strap and bezel with a treat meant. Here’s a link to the one I use. Ultrasonic Cleaner, Professional... https://www.amazon.com/dp/B072JXQ9P5?ref=ppx_pop_mob_ap_share The plastic treatment I use. ROYAL SHINE Plastic Restorer for... https://www.amazon.com/dp/B0FCXZDT1V?ref=ppx_pop_mob_ap_share