In the Box: Just Apple Watch (No Strap & Charging Set provided)

Body
Dimensions: 41 x 35 x 10.7 mm (1.61 x 1.38 x 0.42 in)
Weight: 31.9 g (1.13 oz)
Build: Glass front, ceramic/sapphire crystal back, aluminum frame
SIM: No

Display
Type: Retina LTPO OLED, 2000 nits (peak)
Size: 1.69 inches
Resolution: 430 x 352 pixels (~326 ppi density)
Protection: Ion-X strengthened glass
                  Always-on display

Platform
OS: watchOS 10, upgradable to watchOS 10.6
Chipset: Apple S9
CPU: Dual-core
GPU: PowerVR

Battery
Type:  Li-Ion 282 mAh, non-removable
Charging: Wireless, 0-80% in 45 min (advertised)