Apple Watch Ultra 3 49mm Charcoal Trail Loop M/L MF1H4

• Case & display: Grade 5 titanium, 49 mm; flat sapphire front; Always-On Retina (LTPO3 OLED), AOD down to 1 Hz; peak brightness up to 3000 nits; Night Mode
• Performance & controls: S10 chip (64-bit dual-core CPU, 4-core Neural Engine), 64 GB storage; Double Tap and wrist-flick gestures; on-device Siri
• Connectivity: built-in satellite features (Emergency SOS, Messages, Find My) — 2 years included; cellular with 5G RedCap and LTE; Wi-Fi 4 (2.4/5 GHz); Bluetooth 5.3
• Navigation & finding: dual-frequency GPS L1+L5 (GPS/GLONASS/Galileo/QZSS/BeiDou); 2nd-gen Ultra Wideband
• Sensors & health: ECG, 3rd-gen optical heart sensor, SpO₂, temperature sensor, altimeter, depth and water-temperature sensors; hypertension and sleep-apnea notifications; Sleep Score, Medications, Mindfulness
• Sport & workouts: multisport, advanced running/cycling/swim metrics, Precision Start, offline maps and Backtrack; recreational diving to 40 m (Oceanic+ app), auto-start around 1 m depth
• Durability: WR100 (ISO 22810:2010), IP6X dust resistance, MIL-STD 810H testing, EN13319 certification
• Battery & charging: up to 42 h daily use, up to 72 h in Low Power; fast charge — ~15 min ≈ up to 12 h use, ~45 min to ~80%
• Compatibility & software: watchOS; requires iPhone 11 or later with iOS 26 or later
• Dimensions & weight: 49 × 44 × 12 mm; 61.6 g (Natural Titanium) / 61.8 g (Black Titanium)
• In the box: Apple Watch Ultra 3, band, USB-C magnetic charging cable (1 m)

Short comparison with Apple Watch Ultra 2: Ultra 3 adds two-way satellite communication (Emergency SOS, Messages, Find My), longer battery life up to 42 hours (vs 36 h), the S10 chip, and 5G RedCap support. It keeps the 49 mm titanium case, up to 3000-nit display, WR100 rating, and recreational diving to 40 m.