Apple Watch Ultra 2 vs. Ultra 4 Buyer's Guide: Should You Upgrade?

The Apple Watch Ultra 4 arrives three years after the Ultra 2, introducing satellite connectivity, a larger display, new health sensors, and extended battery life. Both models feature a 49mm titanium case, Action button, siren, 3,000-nit display, and dual-frequency GPS. The Ultra 4 starts at 799 USD and adds a new bezel configuration for watch face customization. While Apple discontinued the Ultra 2, refurbished units remain available from 589 USD for those considering an upgrade.