The Google Pixel Watch 2 features a Qualcomm Snapdragon W5 Gen 1 processor, 2GB RAM, and 32GB storage. It has a 1.2-inch AMOLED display with a 320 ppi resolution, a 306 mAh battery, and a 5 ATM water resistance rating. Key sensors include a multi-path optical heart rate sensor, skin temperature sensor, and electrical sensors for body response tracking.