Apple Watch Series 8 Battery 98

Apple Watch Series 8 size 45 Apple Watch Series 8 size 45 Battery life 98% Purchased from Jarir Bookstore on 10/11/2022, and I only used it for 5 months before storing it in the closet Purchase price from Jarir Bookstore was 2137 SAR . *Note: There are some white spots shown in the second-to-last images, and I don't know the cause