Silicone Strap 20mm 22mm For HUAWEI WATCH GT6 Pro GT 6 5 4 46mm GT3 GT2 42mm Sport Wristband Watch 5 4 3 Pro/Ultimate 2 Bracelet. 20mm 22mm Silicone Band. If you are unsure about the size of the watch, you can choose the size based on the following models.