DailyTechPricesDevice Comparison
| Watch Ultra 4 | Watch 6 Pro | |
|---|---|---|
| LAUNCH DATE | ||
| Announced | 9 September 2026 | 2026, September 2 |
| Released | 18 September 2026 | 2026-09-23 |
| Status | Available | Available |
| NETWORK | ||
| Technology | 5G RedCap / LTE | LTE |
| BODY | ||
| Build | Grade 5 titanium | 43mm: ceramic front and rear; 46mm: titanium front, ceramic rear |
| Colors | Natural, Black | 43mm: White (Pure White Composite Strap), Ceramic Edition (White Ceramic Strap); 46mm: Brown (Composite Strap), Silver (Titanium Strap), Space Edition (Black Titanium Strap) |
| Dimensions | 49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in) | 43.5 x 43.5 x 10.2 mm (43mm); 46.4 x 46.4 x 10.9 mm (46mm); 46.4 x 46.4 x 11.4 mm (46mm Space Edition) |
| IP Rating | IP6X; 100m water resistance; recreational diving to 40m | 5 ATM, IP69, diving up to 40 m |
| Strap | — | Composite, ceramic or titanium link options |
| Weight | 63.0 g natural; 63.1 g black | 50 g (43mm); 57 g (46mm); 60 g (Space Edition), strap excluded |
| DISPLAY | ||
| Always-on display | Yes | — |
| Brightness | 3000 nits peak; 1 nit minimum | 3500 nits (peak) |
| Protection | Sapphire crystal | — |
| Resolution | 422 × 514 pixels; 326 ppi | 466 x 466 pixels (338 ppi 43mm, 310 ppi 46mm) |
| Size | 1.98 inches (1245 mm2 display area) | 1.38 inches (43mm); 1.5 inches (46mm) |
| Type | LTPO3 OLED, always-on Retina | LTPO 2.0 AMOLED |
| PLATFORM | ||
| CPU | 64-bit dual-core | — |
| Chipset | Apple S11 | — |
| Compatibility | — | Android 9.0 or later, iOS 13.0 or later |
| GPU | Integrated Apple graphics | — |
| Neural engine | 4 cores | — |
| OS | watchOS | HarmonyOS 7.0 |
| MEMORY | ||
| Internal | 64GB | — |
| SOUND | ||
| Loudspeaker | Dual speakers; siren | Yes (speaker and microphone) |
| COMMUNICATION | ||
| Bluetooth | 5.3 | 5.2 |
| NFC | — | Yes |
| NearLink | — | Yes |
| Positioning | Dual-frequency GPS, Galileo, QZSS, BeiDou | GPS, GLONASS, BeiDou, Galileo, QZSS |
| WLAN | Wi-Fi 4, 2.4/5GHz | Dual-band (2.4 GHz + 5 GHz) |
| eSIM | — | Yes (eSIM standalone calling) |
| FEATURES | ||
| Sensors | Electrical and optical heart sensors, blood oxygen, temperature, compass, altimeter, accelerometer, gyroscope, ambient light, depth, water temperature | Accelerometer, gyroscope, compass, optical heart rate, barometer, ambient light, body temperature, ECG, depth sensor, X-TAP sensor |
| BATTERY | ||
| Battery Life | — | 43mm: 3 days typical, 7 days battery saver; 46mm: 4.5 days typical, 11 days battery saver |
| Charging | — | Wireless fast charging (USB-C cradle, 5-10V/2A max) |
| Charging Type | Wireless (magnetic fast charging), 0-80% in about 45 min; 15 min charge for up to 18 hours | Wireless fast charging, USB-C charging cradle (5-10 V DC / 2 A max) |
| Type | Rechargeable lithium-ion | — |
| ADDITIONAL INFORMATION | ||
| Colors | — | 43mm: Ceramic White, Star White; 46mm: Jupiter Brown, Space Exploration, Space Silver |
| Compatibility | iPhone 11 or newer, or iPhone SE (2nd generation or newer), with iOS 27 or newer | Android 9.0 or later, iOS 13.0 or later |
| Launch Price | — | £599.99 (Starting price) — UK; CNY 3,499 (43mm) — China; CNY 3,599 (46mm) — China |
| Models and regions | — | Ceramic Edition and Space Edition |
| Price in Nigeria | ₦1,119,000 | ₦1,116,000 (estimate, converted from UK launch price) |