AppleWatch 7 vs. Apple Watch SE: Top differences between the new flagship and last year's midrange smartwatch. 40mm, 44mm: Display size/resolution: 1.9 inches, 484 x 396 pixels (45mm) AppleWatch SE GPS, 40mm Silver Aluminium Case with Storm Blue Sport Band - M/L. Apple Watch SE GPS, 44mm Midnight Aluminium Case with Midnight Sport Band - S/M. Apple Watch SE. 44mm or 40mm case size; Aluminium; Speaker; Microphone; Control: Digital Crown with haptic feedback; Side button; Siri; Display: Retina LTPO OLED display; TheApple Watch SE doesn't have fast charging like the Series 8. Apple Watch SE; Starting price: $399: $249: Size: 41mm or 45mm: 40mm or 44mm: (40mm); 977 sq mm display area (44mm) Asfor the official sizing, Apple states that the 40mm model is suitable for wrists between 130 and 200mm, while the 44mm model's range is between 140 and 30t6wAp.