Apple's flagship 2026 smartwatch, the Watch Ultra 4, offers a 1.98" 3,000 nits (peak) 514x422 LTPO AMOLED display, featuring many sensors (Accelerometer, gyro, always-on heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, and temperature). The watch is certified for both IP6X and MIL-STD-810H.
The Watch Ultra 4 will soon launch globally.
OLED type: 1.98" 3,000 nits (peak) 514x422 LTPO AMOLED
Posted: Sep 10,2026 by Ron Mertens
