Google has released the March update for the Pixel Watch 2 and 3 LTE models, as well as the original Pixel Watch models.The update arrived with limited availability and introduced Wear OS 5.1.Initially, only the factory images for the WiFi models were available.The update includes build numbers of BP1A.250305.019.W2 for Pixel Watch and BP1A.250305.019.W3 for Pixel Watch 2 & 3.