This Apple Watch Series 4 - 40mm is no longer available.
| Size (inches) | 1.57 x 1.34 x .42 |
| Weight (ounces) | 1.06 |
| Water resistant 50 meters | |
| Ion-X strengthened glass | |
| Case material | Aluminum or Stainless (depending on model selected) |
| Up to 18 hours of battery life |
| Chipset | W3 |
| Cores | S4 with 64-bit dual-core processor |
| Internal memory storage | Up to 16GB |
| WatchOS | 5 |
| Siri | Ask Siri to set a reminder, send an invitation, or give you directions, all without your phone. |
| NumberSync Capable | Required to use smartwatch over cellular; Rate plan required. |
| Wi-Fi connectivity | 802.11b/g/n |
| Wi-Fi capability | 2.4GHz |
| Bluetooth® technology | v5.0 |
| Wireless emergency alerts (CMAS) capable | |
| SIM type | Electronic SIM |
| Heart Study | Calculate heart rhythm and notify someone who might be experiencing atrial fibrillation. |
| Heart Rate | Keep tabs on your resting, walking, and workout recovery heart rate. |
| Workout | Track a casual walk, an intense ride, and everything in between. |
| Breathe App | Quiet your mind. Relax your body. |
| Sensors | Ambient light, accelerometer, barometric altimeter, built-in GPS, gyroscope, optical heart rate, electrical heart rate |
| iMessage |
| Music player | iTunes® |
| UPC | 190198857842 |
| SKU | R649B |
A new way to connect your smartphone to our network. An eSIM is a digital version of a physical SIM card, with some distinct advantages:
WARNING: Cancer and reproductive harm – www.P65Warnings.ca.gov
1Wireless service plan required for cellular service. Apple Watch and iPhone service provider must be the same. Not all service providers support enterprise accounts; check with your employer and service provider. Roaming is not available outside your carrier network coverage area. Contact your service provider for more details.
2Apple Music requires a subscription.
3Compared with the previous generation.
Some bands are sold separately.
Apple Watch Series 4 Nike+ 4(GPS + Cellular) requires an iPhone 6 or later with iOS 12 or later.
Apple Watch Series 4 (GPS + Cellular) requires an iPhone 6 or later with iOS 12 or later. Apple Watch Series 3 (GPS + Cellular) requires an iPhone 6 or later with iOS 11 or later.
Features are subject to change. Some features, applications, and services may not be available in all regions or all languages. See www.apple.com/watchos/feature-availability for complete list.
*NumberSync for Compatible Apple Watch (Cellular): Must complete NumberSync setup for watch to have access to the AT&T cellular network. Watch must be synced with an HD-voice activated iPhone on the same AT&T postpaid wireless account. Device Limit: Sync up to 3 watches. Each synced watch needs its own wireless plan. Voice/Data Charges: Calls to international numbers using NumberSync are subject to international rates consistent with watch rate plan or international package. See https://www.att.com/offers/international.html for information on pay-per-use rates and available packages for international calls. When watch is not connected to Wi-Fi or Bluetooth, voice/data charges will apply to usage over the cellular network and will be deducted from your wireless plan for your watch. Device does not support roaming. SMS/MMS text messaging: To send/receive SMS/MMS messages on your watch, it must be synced to a compatible iPhone that is also connected to the AT&T network via cellular or Wi-Fi (Wi-Fi Calling must be activated on the iPhone). iPhone must be powered on (if power is lost, SMS/MMS messages will not be delivered). iMessage must be enabled. 911 Calls: If you cannot be located using location information obtained from your watch, 911 calls will be routed based on the address you provide in the NumberSync settings of your watch. 911 calls are not supported outside the US, Puerto Rico, or USVI. TTY Limitations for 911 Calls & Real-Time Text Progress: Due to technical limitations, NumberSync cannot be used with TTY devices and cannot support 911 calls over TTY devices. Persons with communications disabilities can still reach 911 services by either: (1) calling 911 directly using a TTY over the cellular network or from a landline telephone, or (2) sending a text message to 911 directly (in areas where text-to-911 is available) from a wireless device, or (3) using relay services to place a TTY or captioned telephone service (CTS) call from a wireless phone over the cellular network or from a landline telephone, or (4) using relay services to place a IP Relay or IP CTS call over a cellular data or other IP network. View RTT progress . Additional restrictions: NumberSync cannot be used to initiate calls to 211, 311, 511, or 811. Not compatible with Smart Limits, Ringback Tones, OfficeDirect, or OfficeReach.
Limited 4G LTE availability. LTE is a trademark of ETSI.
All talk, data and standby times depend on network configuration.
