UK iwatch series 6 44mm: BODY Dimensions 44 x 38 x 10.4 mm (1.73 x 1.50 x 0.41 in). Weight 47.1 g (1.66 oz). Build Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame. SIM eSIM, 50m water resistant. DISPLAY Type Retina LTPO OLED, 1000 nits (peak). Get yours today here.