Apple Watch Ultra 2: Apple Watch Ultra 2, 49 mm titanium case, GPS + Cellular; natural (2023) and black titanium added in 2024. Band options (Alpine Loop, Trail Loop, Ocean Band, Titanium Milanese Loop) vary by size. The Apple Watch Ultra (2022) and Ultra 3 (2025) are separate models.
Apple Watch Ultra (49 mm, 1st generation): Apple Watch Ultra, 49 mm natural titanium case, GPS + Cellular. The Apple Watch Ultra 2 and Ultra 3 are separate models.
| Specification | Apple Watch Ultra 2 | Apple Watch Ultra (49 mm, 1st generation) |
|---|---|---|
| Release year | 2023 | 2022 |
| Case | 49 mm, Grade 5 titanium; natural or black; 49 × 44 × 12 mm Apple | — |
| Display | Always-On Retina LTPO2 OLED; 410 × 502 pixels, 326 ppi; 1,185 mm² display area Apple | LTPO2 OLED always-on Retina; 410 × 502 pixels; 1185 mm² display area; up to 2000 nits Apple |
| Glass | Flat sapphire crystal front Apple | — |
| Chip and storage | S9 SiP (64-bit dual-core processor, 4-core Neural Engine); 64 GB Apple | — |
| Location | L1 + L5 dual-frequency GPS; GLONASS, Galileo, QZSS, BeiDou Apple | — |
| Sensors | Electrical heart sensor; third-generation optical heart sensor; temperature sensor; depth gauge; water temperature sensor; compass; always-on altimeter Apple | — |
| Diving and durability | 100 m water resistance under ISO 22810:2010 (WR100); recreational scuba diving to 40 m under EN13319; IP6X under IEC 60529; MIL-STD 810H testing Apple | — |
| Cellular and wireless | 4G LTE and UMTS; Wi-Fi 4 (802.11n); Bluetooth 5.3; second-generation Ultra Wideband chip Apple | — |
| Battery and charging | Up to 36 hours in normal use and 72 hours in Low Power Mode; fast charge to 80% in about 1 hour; built-in lithium-ion Apple | — |
| Controls and safety | Customisable Action button; Digital Crown with haptic feedback; siren; Emergency SOS, fall and crash detection Apple | — |
| Compatibility | iPhone Xs or later, or iPhone SE (2nd generation or later), with iOS 18 or later Apple | iPhone 8 or later with iOS 16 or later Apple |
| Operating conditions | On wrist –20 to 55 °C; diving 0–40 °C; altitude –500 to 9,000 m Apple | — |
| Case and glass | — | 49 mm natural titanium case; flat sapphire front crystal; ceramic and sapphire back Apple |
| Chip | — | S8 SiP with 64-bit dual-core processor; W3 wireless chip; U1 Ultra Wideband chip; 32 GB storage Apple |
| Location and navigation | — | Dual-frequency GPS (L1 and L5), GLONASS, Galileo, QZSS, BeiDou; compass; always-on altimeter Apple |
| Health sensors | — | Electrical heart sensor (ECG); third-generation optical heart sensor; blood oxygen sensor Apple |
| Diving and water | — | WR100 (ISO 22810); dive-ready to 40 metres (EN 13319); water temperature sensor and depth gauge; IP6X dust Apple |
| Safety | — | 86-decibel emergency siren; Fall and Crash Detection (high-g accelerometer up to 256 g); Emergency SOS Apple |
| Connectivity | — | LTE and UMTS; Wi-Fi 802.11b/g/n 2.4 and 5 GHz; Bluetooth 5.3 Apple |
| Battery | — | Up to 36 hours; up to 18 hours with LTE; USB-C magnetic fast-charging cable Apple |
| Low-power setting | — | Up to 60 hours Apple |
| Operating temperature | — | −20 °C to 55 °C on the wrist Apple |
| Weight | — | 61.3 g (without band) Apple |