The Apple Watch Series 5 was released by Apple in September 2019. It offered several new features and improvements over its predecessor, the Apple Watch Series 4. Here are some key features and specifications of the Apple Watch Series 5:

Always-On Display: One of the standout features of the
Series 5 was its always-on display. Unlike previous models, the Series 5's OLED
display remained on at a low brightness level even when your wrist was down,
making it easier to glance at the time or your notifications without raising
your wrist.
Size and Materials: The Apple Watch Series 5 came in two
sizes: 40mm and 44mm. It was available in a variety of case materials,
including aluminum, stainless steel, titanium, and ceramic. You could also
choose from different finishes and band options. marketingsguide
Watch Faces: The Series 5 introduced new watch faces, some
of which were specifically designed to take advantage of the always-on display
feature. These faces could display complications and information even when the
watch was in its low-power state.
Health and Fitness: Like its predecessors, the Series 5
included a range of health and fitness features, such as a heart rate monitor,
ECG (Electrocardiogram) capability, fall detection, and GPS tracking. It could
also track various workouts and activities.
Compass: A built-in compass was added to the Series 5, which
allowed for more precise navigation and better orientation in apps like Maps.
Emergency SOS: The Series 5 included an Emergency SOS
feature that allowed you to call for help in emergency situations, both locally
and internationally, by holding down the side button.
Noise App: To help protect your hearing, the Series 5 had a
Noise app that measured ambient sound levels and provided alerts when it
detected potentially harmful noise levels.
Cellular Connectivity: The cellular version of the Series 5
allowed you to use the watch independently of your iPhone, making and receiving
calls, sending messages, and streaming music over cellular networks.
watchOS 6: The Series 5 shipped with watchOS 6, Apple's
operating system for the Apple Watch, which brought various improvements and
features, including new apps, improved health tracking, and more customization
options.
Battery Life: The Series 5 had an "all-day"
battery life, and the actual battery life could vary depending on usage and
settings. With the always-on display, you might need to charge it every day.
Please note that as of my last knowledge update in January
2022, the Apple Watch Series 5 was the latest model available. Apple may have
released newer versions since then, so I recommend checking Apple's official
website or recent news for the most up-to-date information on Apple Watch
models and features.
Always-On Display:
The "Always-On Display" (AoD) is a feature
available on certain Apple Watch models, including the Apple Watch Series 5 and
later models. This feature allows the watch face to remain visible at a low
brightness level even when your wrist is down or not in an active position. The
primary purpose of the Always-On Display is to make it more convenient to check
the time and other important information without having to raise your wrist or
tap the display.
Here's how the Always-On Display works on Apple Watches that
support it:
Persistent Time: With the AoD enabled, the time is always
visible on the watch face, even when your wrist is down. This makes it similar
to a traditional watch where you can quickly glance at the time without any
specific gesture.
Dimmed Display: The display remains on, but it's dimmed to
conserve battery life and avoid distraction. The brightness of the display is
reduced when not actively in use to ensure it doesn't drain the battery too
quickly.
Glanceable Information: In addition to the time, certain
watch faces and complications can also display glanceable information, such as
upcoming appointments, weather, fitness data, or notifications. These details
are visible in a simplified, low-power mode.
Raise to Wake: While the Always-On Display is active, you
can still use the "Raise to Wake" feature. When you raise your wrist
to look at the watch, the display becomes fully active and bright for a more
detailed view.
Privacy and Security: The AoD respects your privacy and
security. Sensitive information like messages and notifications won't be fully
visible until you raise your wrist and authenticate with a passcode, Touch ID,
Face ID, or a wrist detection feature, depending on your Apple Watch model.
Customization: You can customize which watch faces and
complications support the Always-On Display feature. Some watch faces are
designed specifically to take advantage of this feature, while others may not
be as optimized for it.
The Always-On Display is a convenient feature for quickly
checking the time and important information on your Apple Watch without the
need to make a specific wrist gesture or tap the display. It strikes a balance
between usability and battery conservation by keeping the display on in a
low-power state. It can be particularly useful for situations where it's not
convenient to raise your wrist, such as during meetings or workouts.
Size and Materials:
The Apple Watch Series 5 was available in various sizes and
materials to cater to different preferences and style choices. Here's an
overview of the size and material options for the Apple Watch Series 5:
Sizes:
40mm: The smaller size option was designed to be more
compact and lighter, making it suitable for those who prefer a smaller watch on
their wrist. The 40mm display offered a balance of size and wearability.
44mm: The larger 44mm size provided a more substantial
display and potentially more screen real estate for apps and information. It
was a popular choice for those who preferred a bigger watch face.
Materials:
Aluminum: The Apple Watch Series 5 was available in an
aluminum case, which was lightweight and durable. It came in various finishes,
such as Space Gray, Silver, and Gold. This option was often seen as a good
choice for fitness and sports enthusiasts due to its lightweight design.
Stainless Steel: The stainless steel case option was
available in different finishes, including Silver, Space Black, and Gold.
Stainless steel offered a premium look and added durability, making it an
excellent choice for those who wanted a more elegant and robust watch.
Titanium: The Series 5 introduced a titanium case option in
natural brushed titanium and space black. Titanium is known for being both
lightweight and exceptionally strong, giving the watch a premium and unique
appearance.
Ceramic: The Apple Watch Series 5 also had a ceramic case
option, which came in a glossy white finish. Ceramic is not only durable but
also has a distinctive and elegant look, making it an attractive choice for
those who wanted a premium and stylish watch.
In addition to the case material, the choice of watch bands
and finishes allowed for further customization, allowing users to create a
unique and personalized look for their Apple Watch Series 5.
Please note that Apple periodically updates its product
lineup, so it's essential to check the latest offerings and configurations on
the official Apple website or through authorized Apple retailers, as newer
models may have been released since my last knowledge update in January 2022.