Apple Watch Ultra 4 (A3579) — Full Specifications & TAC Codes
Released September 18, 2026. Supported model numbers: A3579. 36 hardware specification entries and carrier unlock services on unlock.cx.
Apple Watch Ultra 4 Model Numbers & Regional Identifiers
Search or verify any of these hardware model codes on unlock.cx for IMEI check, carrier lock status, and factory unlock eligibility:
Battery
- Charging
- Wireless, 0-80% in 45 min
- Type
- Li-Ion 631 mAh
Body
- Build
- Sapphire crystal front, ceramic and zirconia back, titanium frame (grade 5)
- Dimensions
- 49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in)
- SIM
- eSIM
- Weight
- 63 g (2.22 oz)
Comms
- Bluetooth
- 5.3, A2DP, LE
- NFC