Amazon has IQShield Liquidskin Screen protectors 38mm/42mm for Apple Watch, Nike+, Series 1,2,3 at 70% off after using codes below.

(6-Pack), IQ Shield LiQuidSkin Full Coverage Screen Protector [(42mm Series 3/2/1 Compatible)]Full Coverage

Price: $2.35 free shipping for Prime

[6 Pack] Apple Watch Screen Protector (38mm Series 3/2/1 Compatible), Full Coverage

Price: $2.35

Product Details
  • The IQ Shield Apple Watch Screen Protector includes our proprietary screen protector, installation tray or spray solution, squeegee, lint-free cloth, and intuitive installation instructions
  • Innovative LIQuidSkin adhesive coupled with our unique IQ Shield wet-install method ensures easy, bubble-free and frustration free installation that will leave the film perfectly contoured to any device
  • Unlike other common screen protectors, IQ Shield LIQuidSkin protectors are crafted using a revolutionary process that melds high response sensitivity, self healing durability, and non-yellowing, optical transparency into a single layer of flexible yet tough film
  • Classified as a “smart film” and optically transparent once applied, the LIQuidSkin line seamlessly merges mobile protection and user interactivity into a single enjoyable experience
  • Every Screen Protector for Apple Watch (42mm (Ultimate) S1/S2/S3) is backed by our Lifetime Replacement Warranty and 100% Satisfaction Guarantee