The Withings HWA03B Hybrid Smart Watch 36mm in black metal band is a stylish and functional fitness tracker that is water-resistant. With a 36mm silver metal case and a black metal band, this smart watch is compatible with both iOS and Android operating systems. The serial number is 205TJ36648. Despite being broken and only sold for parts, this smart watch still offers a range of features that can be useful for those looking to repair or salvage components for their own devices. Leia Mais