Design: Stainless steel case, synthetic sapphire crystal (front and heart rate lens), fluoroelastomer or leather strap
Size & Weight: 47.4 × 47.4 × 12.3 mm; ~56 g (without strap); strap fit 135–205 mm
Display: 1.54″ AMOLED, 480×480 px, 312 PPI, 1500 nits brightness, 60 Hz refresh rate
Battery...