Compare Oppo Watch 4 Pro with Apple Watch Series 8 Aluminum 45mm, Apple Watch Ultra, Doogee CS3
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Oppo Watch 4 Pro 
Apple Watch Series 8 Aluminum 45mm -
Oppo Watch 4 Pro 
Huawei Watch GT 3 Porsche Design -
Oppo Watch 4 Pro 
Huawei Watch GT 3 Pro Ceramic 43mm -
Oppo Watch 4 Pro 
Huawei Watch GT 3 Pro Titanium 46mm
