Apple Watch Ultra 4 (2026) GPS + Cellular 5G 49mm Black Titanium Case with Burgundy Trail Loop M / L EU MJC44 - ONLY BOX

Network : GSM / HSPA / LTE / 5G

Body

• Dimensions: 49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in)


• Weight: 63 g (2.22 oz)


• Build: Sapphire crystal front, ceramic and zirconia back, titanium frame (grade 5)


• SIM: eSIM


• Certifications & Durability:
  
  
  
  
  • IP6X certified
  
  
  • 100m water resistant (22810:2010)
  
  
  • 40m swimproof/diving (EN13319)
  
  
  • MIL-STD-810H compliant
  
  
  • ECG certified (region-dependent software application; hardware available on all models)
  
  
  
  

Display

• Type: Retina LTPO3 OLED, 3000 nits (peak)


• Size: 1.98 inches


• Resolution: 514 x 422 pixels (~326 ppi density)


• Protection: Sapphire crystal


• Additional Features: Wide-angle OLED

Platform

• OS: watchOS 27


• Chipset: Apple S11


• CPU: Dual-core


• GPU: PowerVR

Memory

• Card Slot: No


• Internal Storage: 64GB

Sound

• Loudspeaker: Yes, with dual speakers (86-decibel)


• 3.5mm Jack: No

Communications

• WLAN: Wi-Fi 802.11 b/g/n, dual-band


• Bluetooth: 5.3, A2DP, LE


• Positioning: GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS


• NFC: Yes


• Radio: No


• USB: No

Features

• Sensors:
  
  
  
  
  • Accelerometer
  
  
  • Gyro
  
  
  • Always-on heart rate
  
  
  • Barometer
  
  
  • Always-on altimeter (-500m to 9000m)
  
  
  • Compass
  
  
  • SpO2
  
  
  • VO2max
  
  
  • Temperature (body)
  
  
  • Temperature (water)
  
  
  • Depth gauge (±1m accuracy)
  
  
  
  


• Health Sensing System:
  
  
  
  
  • Third-generation electrical heart sensor
  
  
  • Always-on optical heart sensor
  
  
  • Blood oxygen sensor
  
  
  • Temperature sensor (0.01˚ accuracy)
  
  
  
  


• Additional Features:
  
  
  
  
  • Ultra Wideband (UWB) support (gen2 chip)
  
  
  • Emergency SOS via satellite
  
  
  
  

Battery

• Type: Li-Ion 631 mAh


• Charging: Wireless, 0-80% in 45 min