OnePlus Watch 4: Top Spec Wear OS Watch You May Never Be Able To Buy

InnovationConsumer TechOnePlus Watch 4: Top Spec Wear OS Watch You May Never Be Able To BuyByAndrew Williams,Contributor.Forbes contributors publish independent expert analyses and insights. I write about fitness, health and wearable techFollow AuthorApr 23, 2026, 08:33am EDT--:-- / --:--This voice experience is generated by AI. Learn more.This voice experience is generated by AI. Learn more.OnePlus Watch 4OnePlusOnePlus is reportedly in the midst of leaving key western markets entirely, including the US and UK, but has just revealed a new high-profile gadget, the OnePlus Watch 4.The full details of the watch, bar its price, have been published on the global OnePlus website. Just like the OnePlus Watch 3, announced in early 2025, the OnePlus Watch 4 has unusually long battery life for a full-blooded Wear OS smartwatch. It is rated for up to five days of use, or 16 days in its power saver mode, which dims its intelligence down to that of a fitness tracker. That is possible thanks to OnePlus’s use of what it calls a Dual-Engine Architecture. The Qualcomm Snapdragon W5 runs the show in smartwatch mode, while a lower-power BES2800 can manage the sensors with lesser power drain in the power saver mode. The OnePlus Watch 4 is a 47mm diameter watch with a titanium outer casing, a plastic rear and Sapphire screen protection. It’s a relatively high-end construction, while weight of 43g without strap matches the titanium edition of the 46mm Apple Watch Series 11.It has a 1.5-inch OLED display, just like its predecessor, has resolution of 466 x 466 pixels. And while peak brightness is rated at 3,000 nits, highs of 1,500 nits are what will actually be seen outdoors in general use under bright, direct sunlight. MORE FOR YOUCompared to the last-generation model, the OnePlus Watch 4 is lighter, thinner, and brighter. However, it also appears to lose the ECG feature of the OnePlus Watch 3. It has dual-band GPS, a barometric altimeter and the usual optical heart rate array with bloo...