Apple Watch Series: Beyond Timekeeper, Your Guardian for Health and Safety

Forget "Best smartwatch, ever?" The Apple Watch Series is your on-wrist guardian, packing health insights, fitness boosts, and safety features like fall detection and smart home control. But "most wanted features" are personal. So, ready to redefine your smartwatch experience? Dive in, weigh options, and see if Apple Watch aligns with your perfect wrist companion vision.


person holding black and white smartphone
person holding black and white smartphone

Apple Watch Series Spec Sheet (as of January 11, 2024)

Model: Choose between Apple Watch Series 8, Ultra 2, SE 2nd Gen

Case Size: 40mm or 44mm (Series 8 & SE 2nd Gen), 45mm (Ultra 2)

Display: Always-on LTPO OLED


  • Health: Electrical heart rate sensor, ECG app, Blood oxygen (SpO2) sensor, Temperature sensor (Series 8 & Ultra 2 only)

  • Motion: Accelerometer, Gyroscope, Magnetometer, Barometer (Series 8 & Ultra 2 only)

  • Other: GPS, Wi-Fi (LTE optional), NFC, Emergency SOS

Battery Life:

  • Series 8 & SE 2nd Gen: Up to 18 hours (Wi-Fi), Up to 11 hours (LTE)

  • Ultra 2: Up to 36 hours (GPS), Up to 60 hours (Low Power Mode)


  • Advanced Workout Metrics: Pace, distance, elevation, heart rate zones, etc.

  • Sleep Stage Tracking: Light, deep, and REM sleep analysis

  • Fall Detection: Automatic emergency call after hard fall

  • Emergency SOS: Call for help with a press or spoken command

  • Voice Assistant: Siri (with Siri Watch app)

  • Multi-Platform Compatibility: Pairs with iPhone or Android (limited features)

  • Smart Home Integration: Control lights, thermostats, appliances (HomeKit compatible)

  • Additional Features: Music playback, notifications, apps, watch faces

Additional Specs:

  • Water resistance: Up to 50 meters (Series 8 & SE 2nd Gen), Up to 100 meters (Ultra 2)

  • Durability: Ion-X front glass (Series 8 & SE 2nd Gen), Sapphire crystal front glass (Ultra 2)

  • Operating System: watchOS 9

  • Storage: 32GB or 64GB

  • Material: Aluminum, Stainless Steel (Series 8 & Ultra 2), Titanium (Ultra 2 only)

Please note:

For the most up-to-date information, please visit the Apple website.

One of the Top Smartwatches the Apple Watch: What’s the features?

In the ever-evolving landscape of smartwatches, the Apple Watch Series stands as a beacon of innovation, not just for its sleek design and convenient features, but for its transformative impact on personal health and safety. Beyond notifications and messaging, it packs a powerful punch of features designed to give you a deep understanding of your well-being and empower you to live a healthier, more secure life. Let's delve into some of the key features that make the Apple Watch Series a frontrunner for the title of "Best smartwatch to have":

1. Your Heart's Silent Guardian:

ECG & Blood Pressure Monitoring:

Gone are the days of relegating heart health monitoring to doctor's visits. The Apple Watch Series empowers you to take an active role in understanding your cardiovascular health. Its built-in ECG app generates a single-lead electrocardiogram, similar to a traditional ECG, providing valuable insights into your heart rhythm. Additionally, compatible third-party apps like Kardia and Qardio allow for non-invasive blood pressure monitoring, giving you a comprehensive picture of your cardiovascular health.

Accuracy: The Apple Watch's ECG app has received FDA clearance for its accuracy in detecting AFib and sinus rhythm, with studies showing a sensitivity of 98% and specificity of 99.6%. Blood pressure monitoring accuracy varies depending on the app, but studies have shown promising results, with some apps achieving mean absolute deviations of less than 5mmHg compared to traditional methods.

Usefulness: Early detection of heart rhythm irregularities like atrial fibrillation (AFib) can be life-saving. ECGs can also help diagnose other heart conditions and monitor the effectiveness of treatment. Blood pressure monitoring allows for proactive management of hypertension, a major risk factor for heart disease.

SpO2 Monitoring:

Keep your oxygen levels in check with the Apple Watch's built-in SpO2 sensor. This feature measures the oxygen saturation in your blood, which can be an indicator of respiratory issues or sleep apnea.

Accuracy: While not a medical-grade device, the Apple Watch's SpO2 sensor has been shown to be relatively accurate in healthy individuals, with studies reporting a mean absolute deviation of around 1.5% compared to pulse oximeters. However, its accuracy can be affected by factors like skin pigmentation and movement.

Usefulness: Monitoring SpO2 levels can be helpful for individuals with chronic respiratory conditions like asthma or COPD, or those at risk for sleep apnea. Early detection of low oxygen levels can prompt medical intervention and prevent complications.

Issues: the spO2 sensor has some patent issue with the company name MM wherein they lost the case and cant use this sensor as of December 21 2023 but It’s Apple so they are developing a work around…to be continued.

a stethoscope
a stethoscope

2. Unraveling the Mysteries of Sleep:

Sleep Stage Tracking:

No longer are you confined to the unknown depths of your sleep. The Apple Watch's advanced sleep tracking goes beyond simply measuring sleep duration, providing insights into light, deep, and REM sleep stages. This helps you understand your sleep quality and identify areas for improvement, paving the way for better rest and improved daytime performance.

Accuracy: While not as precise as clinical sleep studies, the Apple Watch's sleep stage tracking algorithm has been shown to be generally accurate in identifying sleep stages, with studies reporting an agreement of around 80% with polysomnography, the gold standard for sleep assessment.

Usefulness: Understanding your sleep stages can reveal underlying sleep disorders and help you optimize your sleep habits for better rest and improved daytime performance.

Dim scene of pillows on a bed
Dim scene of pillows on a bed

3. Your Personal Trainer, Amplified:

Advanced Training Metrics:

Push your workouts to the next level with the Apple Watch's comprehensive training metrics. Track metrics like pace, distance, elevation gain, and even heart rate zones for a detailed analysis of your performance. This data empowers you to train smarter, not harder, by providing insights into your fitness level and progress, allowing you to optimize your workouts for maximum results.

Accuracy: The Apple Watch's training metrics are generally accurate, with studies showing that distance tracking is typically within 1-2% of actual distance, and heart rate monitoring is accurate to within a few beats per minute.

Usefulness: These advanced metrics help you train smarter, not harder, by providing insights into your fitness level and progress, allowing you to optimize your workouts for maximum results.

a physical trainer and their client working out
a physical trainer and their client working out

4. Safety at Your Fingertips:

Fall Detection & Emergency SOS:

Rest assured knowing the Apple Watch Series is your silent guardian. Fall Detection automatically alerts emergency services if it detects a hard fall, while Emergency SOS lets you quickly call for help with a press of a button or spoken command. These features provide peace of mind, especially for older adults or those living alone. Fall Detection can prompt immediate medical attention in case of an injury, while Emergency SOS can be invaluable in emergency situations.

Usefulness: These features provide peace of mind, especially for older adults or those living alone. Fall Detection can prompt immediate medical attention in case of an injury, while Emergency SOS can be invaluable

Someone falling
Someone falling

5. Your Wrist-Mounted Concierge:

Voice Assistants:

Ditch the phone; control your world with a tap or a voice command. The Apple Watch Series boasts Siri, your ever-ready assistant, allowing you to set reminders, make calls, send messages, or even control your smart home – all hands-free.

Accuracy: While Siri continues to learn and improve, its natural language processing isn't perfect. Misinterpretations can occur, especially with complex commands or noisy environments.

Usefulness: Unmatched convenience for multitasking and on-the-go tasks. No more fumbling for your phone – Siri keeps you connected and in control.

Multi-Platform Compatibility:

Unlike most smartwatches locked within ecosystems, the Apple Watch Series shines with its iOS and watchOS compatibility. Seamlessly pair it with your iPhone for complete functionality, or enjoy basic features like fitness tracking and music playback when connected to an Android device.

Usefulness: Unparalleled flexibility. Whether you're an iPhone devotee or an Android enthusiast, the Apple Watch Series adapts to your preferences, offering a unique advantage in the smartwatch market.

6. Untethered Freedom:

LTE Cellular Connectivity:

Ditch the phone dependency with an Apple Watch Series equipped with LTE. Make calls, send messages, stream music, or access maps – all without your iPhone in tow.

Usefulness: Ideal for active individuals or those seeking ultimate independence. LTE connectivity liberates you from your phone, empowering you to stay connected even during workouts or solo adventures.

Battery Life:

While convenient, LTE functionality comes at a cost. Expect a shorter battery life compared to Wi-Fi-only models, requiring more frequent charging.

7. Features on the Horizon:

While some features remain absent from the current Apple Watch Series lineup, their potential for future iterations is exciting:

Blood Glucose Monitoring:

Imagine painlessly tracking your blood sugar levels on your wrist. This revolutionary feature would be a game-changer for diabetics, offering real-time insights and improved glucose management.

Skin Temperature Sensor:

Monitoring skin temperature could provide valuable early warnings of infections or fevers, promoting proactive healthcare.

8. Beyond the Wrist:

Smart Home Integration:

Turn your Apple Watch into a control center for your smart home. Dim the lights, adjust the thermostat, or lock your doors – all with a tap or voice command.

Usefulness: Enhances convenience and security, allowing you to manage your home environment effortlessly.

Security Considerations:

Smart home integration necessitates strong security measures to prevent unauthorized access.

Home kit items your apple watch can control
Home kit items your apple watch can control

9. Peace of Mind at Your Fingertips:

Security Alerts and Smart Lock Management:

Receive real-time security alerts directly on your wrist and remotely manage your smart locks. This feature offers peace of mind, allowing you to monitor your home even when you're away.

Usefulness: Enhances home security and provides a sense of control, especially for those with busy lifestyles.


Ensure your smart home system and locks are compatible with Apple's HomeKit platform for seamless integration.

By exploring these features and their nuances, you gain a deeper understanding of what makes the Apple Watch Series a strong contender for the title of "Best smartwatch to have". Whether it's the convenience of voice control, the freedom of cellular connectivity, or the potential of future health-tracking advancements, the Apple Watch Series continues to push the boundaries of what a smartwatch can be. However, it's crucial to weigh the benefits against potential drawbacks like limited platform compatibility or shorter battery life with LTE models. Ultimately, the "most wanted features of a smartwatch" are subjective and depend on individual needs and preferences. By carefully considering your priorities and lifestyle, you can determine if the Apple Watch Series aligns with your vision for the perfect wrist companion.

Are You Ready? Get Your Apple Watch Now

Apple Watch with assorted-color Sports BandsApple Watch with assorted-color Sports Bands