Apple Watch Series 12 · UK MJJD4MP/A

Apple Intelligence is available with Siri and device language set to Chinese (Simplified), Chinese (Traditional), Danish, Dutch, English, French, German, Italian, Japanese, Korean, Norwegian, Portuguese, Spanish, Swedish, Turkish or Vietnamese. Some features may not be available in all regions or languages. Some devices may not be available in all regions. Siri AI is available in beta in watchOS 27 and requires an Apple Intelligence–enabled device set to a supported language. Available in English to start. Siri AI will not be initially available in the EU on watchOS. Certain Apple Intelligence features that rely on server-side models are subject to daily usage limits, including but not limited to Siri AI. Daily limits may vary by feature, request complexity, system demand, system policies and other factors. Expanded access to such features will be available for a fee in the future. Use of these features is subject to the Apple Intelligence Terms and Conditions. Learn more at apple.com/uk/apple-intelligence .

Audio Intelligence includes Live Rewind, Siri Recap, Sound Recognition, and faster Shazam and requires Apple Watch Series 12 or Apple Watch Ultra 4. Live Rewind and Siri Recap will be available in beta in late 2026 and require an Apple Intelligence–enabled iPhone 16 or later (excluding iPhone 16e). Will be available in English to start and will not initially be available in the EU. Certain Audio Intelligence features that rely on server-side models are subject to daily usage limits, including but not limited to Live Rewind and Siri Recap. For more information, visit support.apple.com/en-gb/148354 .

The Blood Oxygen app is for wellness purposes only and not for medical use. Measurements are calculated and viewed on iPhone in the Health app. The temperature sensing feature is not intended for medical use. Temperature sensing is available on Apple Watch Series 8 and later, Apple Watch SE 3 and all Apple Watch Ultra models.

All‑day battery life testing includes: 300 time checks, 90 notifications, 15 minutes of app use, a 60‑minute workout with music playback from Apple Watch via Bluetooth, and 6 hours of sleep tracking over the course of 24 hours; Apple Watch Series 12 (GPS) usage includes connection to iPhone via Bluetooth during the entire 24‑hour test; Apple Watch Series 12 (GPS + Cellular) usage includes a total of 4 hours of cellular connection and 20 hours of connection to iPhone via Bluetooth over the course of 24 hours. Battery life testing in Low Power Mode includes: 530 time checks, 160 notifications, 26 minutes of app use, a 60‑minute workout with music playback from Apple Watch via Bluetooth, and 6 hours of sleep tracking over the course of 38 hours; Apple Watch Series 12 (GPS) usage includes connection to iPhone via Bluetooth during the entire 38‑hour test; Apple Watch Series 12 (GPS + Cellular) usage includes on‑demand cellular connection and 30 hours of connection to iPhone via Bluetooth over the course of 38 hours. Testing conducted by Apple in July and August 2026 using pre‑production Apple Watch Series 12 (GPS) and Apple Watch Series 12 (GPS + Cellular), each paired with an iPhone; all devices tested with pre‑release software. Battery life varies by use, configuration, mobile network, signal strength and many other factors; actual results will vary. Workout tested without iPhone and with heart rate sensor on during outdoor run workout sessions. Testing conducted by Apple in July and August 2026 using pre‑production Apple Watch Series 12 (GPS) and Apple Watch Series 12 (GPS + Cellular); all devices tested with pre‑release software. Battery life varies by use, configuration, mobile network, signal strength and many other factors; actual results will vary. Charge times are from 0–80% and 0–100% using the included Apple Watch Magnetic Fast Charger to USB‑C Cable. Testing conducted by Apple in July and August 2026 using pre‑production Apple Watch Series 12 (GPS) and Apple Watch Series 12 (GPS + Cellular), each paired with an iPhone; all devices tested with pre‑release software, pre‑production Apple Watch Magnetic Fast Charger to USB‑C Cable (Model A3277) and Apple 20W USB‑C Power Adapter (Model A2305). Fast‑charge testing conducted with drained Apple Watch units. Times measured from the appearance of the Apple logo as the unit started up. Charge time varies with adapter, region, settings, initial battery levels, usage and environmental factors; actual results will vary. Testing conducted by Apple in July and August 2026 using pre‑production Apple Watch Series 12 (GPS) and Apple Watch Series 12 (GPS + Cellular), each paired with an iPhone; all devices tested with pre‑release software, pre‑production Apple Watch Magnetic Fast Charger to USB‑C Cable (Model A3277) and Apple 20W USB‑C Power Adapter (Model A2305). Charge time varies with adapter, region, settings, initial battery levels, usage and environmental factors; actual results will vary.

GPS + Cellular selected. Manufacturer lists these cellular model groups on its UK specification page; a compatible carrier/data plan is separate. Ultra Wideband availability varies by region. For more information, visit support.apple.com/en-gb/109512 . Any card used in Apple Pay is offered by the card issuer. To use Apple Pay you need a supported card from a participating card issuer. To check if your card is compatible with Apple Pay, contact your card issuer. Apple Pay is not available in all markets. View Apple Pay countries and regions . Data plan required. 5G is available in selected markets and through selected network providers. Speeds vary based on site conditions and network. For details on 5G support, contact your provider and see apple.com/uk/watch/cellular . Wireless service plan required for mobile service. Contact your service provider for more details. Connection may vary based on network availability. Check apple.com/uk/watch/cellular for participating network providers and eligibility. See support.apple.com/en‑gb/HT207578 for additional setup instructions. Not all features will be available if the Apple Watch is set up through Apple Watch For Your Kids. Check support.apple.com/en‑gb/109036 for details. Wireless service plan required for mobile service. Check apple.com/uk/watch/cellular for participating network providers and eligibility.

Nominal store option; the separately listed physical case dimensions can differ by material.

Manufacturer's labelled size/material column. No chosen strap dimensions are included.

Manufacturer row: Weight (aluminium, GPS + Cellular). The cited table does not establish the combined mass with a selected strap.

Apple Watch Series 12 has a water resistance rating of 50 metres under ISO standard 22810:2010. This means that it may be used for shallow-water activities like swimming in a pool or ocean or snorkelling to a depth of 6 metres. It should not be used for scuba diving, waterskiing or other high-velocity water sports. Water resistance is not a permanent condition and can diminish over time. For more information, see support.apple.com/en-gb/109522 . Apple Watch Series 12 is rated IP6X dust resistant.

Strap selection is not part of this exact case identifier. · This record identifies the literal watch-case SKU. The manufacturer's configurable strap has no selection in this record; strap style, size, bundle identifier and combined mass remain unspecified.

Exact installed watchOS version is not listed by this technical source.