Apple® S3 Cell 42mm Space Gray Case
Built-in GPS. Heart Rate Sensor and app. Water resistant to 50 M. Receive notifications. Cellular capability is supported by AT&T Sprint Verizon T-Mobile and other carriers. Intelligent Activity tracker with Smart Coaching. Activity Sharing. OLED Retina display w/ Force touch. S3 Dual-core processor. Apple W2 wireless chip. Watch OS 5. Ambient light sensor. Battery lasts up to 18 hours. 16GB Memory capacity. Ceramic and sapphire crystal back. Black sport band space gray aluminum case. Case size: 42.5mm x 36.4mm. Band fits 140-210mm wrists.