Three colours: Choose between gold, silver and grey. Apple Watch Series 4: Get a refurbished Apple Watch Series 4! Size: Valid in 40mm and 44mm with cellular and charger options. Processor: S4 with 64-bit dual-core processor. Storage: With 16GB capacity. Battery life: Use for up to 18 hours on one full charge. 40Mm Or 44Mm Apple Watch Series 4 | Silver | Living Social