Apple 42mm Smart Watch - Space Grey Aluminum Case/Black Band<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> System on a chip: Apple S1 </span></li><li><span class="a-list-item"> Storage: 8 GB </span></li><li><span class="a-list-item"> Initial operating system: watchOS 1.0 </span></li><li><span class="a-list-item"> Display: 42 mm: 24.34 30.42 mm; 38.96 mm (1.534 in) diagonally， 312390 pixels， 326 PPI </span></li><li><span class="a-list-item"> Battery: 246mAh </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31aktkh55%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41s2GyfaH0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41gZIkK3CNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/3157Sze5dAL.jpg" noproxy>