Apple Watch Series 5 Aluminum “40 mm” Cellular Global Specs

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Apple Watch Series 5 MWX32B/A – Watch5,3 – A2156

About This Watch

The Apple Watch Series 5 is only a minor update from the previous generation. The watch features double the storage capacity at 32 GB of flash storage as well as a faster process. The Apple S5 processor features 2 cores and 1 GB of ram. While the majority of the watch has stayed the same, the new series 5 adds an emergency calling feature for emergencies. Both battery life and the screen specifications have remained the same from the previous generation.
All cellular enabled Apple watches such as this one are able to connect to the internet without the need to be tethered to an iPhone. However, tethering is still required to enable the majority of the features available on the series 5 Apple watch.

Apple S5

1 GB

32 GB Flash Storage

18 Hours

Storage & Memory

The Apple Watch Series 5 comes with 1 GB of RAM and 32 GB of memory. This is double the amount of memory available in the Series 4.

Screen Size and Resolution

This Apple Watch Series 5 has a 40 mm sized OLED display with strengthened Ion-X glass and a resolution of 324×394. This display is force touch capable and the device features a haptic feedback Digital crown.

OS & Processor

The Apple Watch Series 5 comes with Apple watchOS 6 for its operating system. It is also powered by a 64-bit dual-core Apple S5 processor and features a W3 Apple wireless chip.

Battery

The Apple Watch Series 5 battery is expected to go for up to 18 hours overall but on the lower end, only 1.5 hours of talk time, 10 hours of audio and up to 6 hours of working out while using GPS.

Inclusive Features

The Apple Watch includes the following features:

Force touch OLED display
Digital crown control piece with haptic feedback
Multiple wristband units
Heart-rate monitor
Electrical heart sensor (ECG)
Emergency heart-rate detection
Wireless Charging
Bluetooth
Water resistant
GPS tracker
A compass
Emergency calling feature

Introduction Date: September 10, 2019					Discontinued Date: September 15, 2020
Processors					Memory
Processors		1 (2 cores)			Onboard RAM	1 GB
Processor Speed		Pending			Storage
Processor Type		Apple S5			Capacity	32 GB
Connectivity Details					Song Capacity	N/A
USB Support				N/A	Photo Capacity	N/A
FireWire Support				N/A	Description
Standard Wireless				802.11b/g/n 2.4 GHz	Case Type		Watch
Standard Bluetooth				5.0	Form Factor		Apple Watch Series 5 (40 mm)
Cell Network				N/A	Housing Color		Aluminum
Battery Details					Controller		Digital Crown
Battery Type	Lithium Ion				Apple Order Number		MWX32B/A
Battery Life	1.5 – 18 hours				Apple Subfamily		Watch Series 5 40mm
Standby Time	N/A				Apple Model Number		A2156 (EMC 3319)
Operating System and Display					Model ID		Watch5,3
Pre-installed OS			WatchOS 6		Camera		None
Maximum OS			Current OS		Dimensions		40mmx34mmx10.74mm
Built-in Display			1.8 OLED		Average Weight		1.09 oz. (30.8g)
Display Resolution			324×394		Minimum iPhone Support		iPhone 6s

Identifier reference: MWX32B/A, A2156, EMC 3319. Use these together because one Apple identifier can sometimes cover multiple configurations.

Last reviewed by Techable: October 30, 2024Identifiers checked: order number, A-number, EMC, and model identifier when available.

Model summary

This Apple Watch at a glance

Family: Apple Watch
Order Number: MWX32B/A
Model Number: A2156
EMC: 3319
Year: 2020

Use the order number, A-number, EMC, and model identifier together when comparing, buying, or selling this device.

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Search by A-number, EMC, order number, or model identifier.

Next steps

Use the spec table to confirm the exact device, then choose the right lookup, buy, or sell path.

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Common questions

Is MWX32B/A the same as A2156?

Not exactly. MWX32B/A usually points to a specific retail configuration, while A2156 identifies the broader Apple hardware family. Always check the EMC and model identifier too.

What Apple Watch is model A2156?

A2156 is the Apple A-number shown for this Apple Watch family. Use the order number, EMC, and model identifier on this page to narrow the exact configuration.

What does EMC 3319 mean?

The EMC number is another Apple hardware identifier. It helps separate closely related models that may share a similar name, year, or A-number.

Can the RAM or SSD be upgraded?

Check the spec table for the exact configuration. Many newer Apple Silicon Macs have memory and storage integrated into the board, so RAM and SSD upgrades are often not practical after purchase.

What macOS versions work with this model?

Use the model identifier, release year, and processor family from the spec table when checking macOS compatibility. Compatibility can change as Apple releases new macOS versions.

Is this Apple Watch still worth buying used?

It can be, depending on price, battery health, memory, storage, and condition. Compare this exact order number and model identifier against similar Techable listings before buying.

How much is this Apple Watch worth?

Value depends on RAM, storage, battery health, cosmetic condition, accessories, and market demand. Use the SellMac path on this page for a quote or use the identifiers here when comparing resale prices.

What should I search if this page is not the exact configuration?

Search the order number first when available, then compare the A-number, EMC, model identifier, year, chip, RAM, and storage. The same A-number can cover more than one configuration.

Handling multiple devices?

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