Apple Watch SE 3, GPS (2025) Midnight / 40mm

.spec-table { width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; margin-bottom: 24px; } .spec-table th, .spec-table td { border: 1px solid #ddd; padding: 8px; vertical-align: top; } .spec-table th { background-color: #f4f4f4; font-weight: bold; width: 40%; } @media (max-width: 600px) { .spec-table th, .spec-table td { display: block; width: 100%; } .spec-table th { background-color: #eaeaea; } .spec-table td { border-top: none; } } Apple Watch SE 3 Material & Finish Case Aluminum Colors Starlight, Midnight Size & Weight 44mm Case Height: 44 mm Width: 38 mm Depth: 10.7 mm Display: 368 × 448 pixels (977 sq mm area) Weight (GPS): 32.9 g Weight (GPS + Cellular): 33.0 g Fits 140–245 mm wrists 40mm Case Height: 40 mm Width: 34 mm Depth: 10.7 mm Display: 324 × 394 pixels (759 sq mm area) Weight (GPS): 26.3 g Weight (GPS + Cellular): 26.4 g Fits 130–200 mm wrists Hardware & Controls Buttons & Controls Digital Crown with haptic feedback Side button Double tap & wrist flick gestures Built-in Hardware Digital Crown Microphone Speaker / air vent Optical heart sensor Chip & Storage Processor S10 chip with 64-bit dual-core processor Neural Engine 4-core Neural Engine Storage 64 GB capacity Sensors On-device Sensors Second-generation optical heart sensor Temperature sensor Compass Always-on altimeter High-g accelerometer High dynamic range gyroscope Ambient light sensor Health & Wellness Features Apps & Alerts Cycle Tracking app with retrospective ovulation estimates Heart Rate app High and low heart rate notifications Irregular rhythm notifications Medications app Mindfulness app Noise app Sleep app with sleep stages, sleep score Sleep apnea notifications Display Type Always-On Retina display with OLED and LTPO Glass Tough Ion-X front glass with 4× crack resistance (vs SE 2) Brightness Up to 1000 nits peak brightness 2 nits minimum brightness 326 ppi Audio Audio Features Built-in speaker Microphone Media playback