Does Apple Watch need a Screen Protector? If you want to protect the Apple Watch to the utmost extent, then the hydrogel screen protector is a good choice. If you want to protect it, you want it to be almost invisible. The thickness of the Hydrogel Film is only 0.14mm. The Screen Protection Film is made of military-grade TPU material, which is thinner than the Glass Screen Protector. This means it is easy to forget that it is even there. Your input on the Apple Watch screen will not be affected at all. Although thin-film protective films cannot provide as many Protective Film as tempered glass, they are easier to install and thinner. They are ideal for people who need some extra protection without increasing the size of the screen. The Hydrogel Screen Protector is very transparent and will not turn yellow over time in the sun. In addition, it even has "self-healing" properties, so if the Hydrogel Protective Film has small scratches, it will repair itself within 24 hours to make it…