Apple Watch Series 4 (GPS , 40MM) - Gold Aluminum Case with Black Sport Band (Renewed)
GPS Over 30% larger display and 50% louder speaker Electrical and optical heart sensors Digital Crown with haptic feedback 50% louder speaker S4 SiP with faster 64-bit dual-core processor Improved accelerometer and gyroscope for fall detection Swim proof watch OS 5 Aluminum or stainless steel case